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United Airlines

UAL503 / UA503

ICAO: UAL503 IATA: UA503

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
United Airlines
UAL503
Duration
3h 05m
Distance
1010 mi, 1625 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1
Meals
Meal (none specific)
Seats
128
First class
8
Economy
120
United Airlines
UAL503
Duration
2h 53m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL503
Duration
3h 04m
Distance
1010 mi, 1625 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1
Meals
Meal (none specific)
Seats
128
First class
8
Economy
120
United Airlines
UAL503
Duration
2h 53m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
128
First class
8
Economy
120
United Airlines
UAL503
Duration
2h 53m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL503
Duration
2h 53m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL503
Duration
2h 51m
Distance
869 mi, 1398 km
Coreshare
NH 7787 /NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
2h 51m
Distance
869 mi, 1398 km
Coreshare
NH 7787 /NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL503
Duration
2h 51m
Distance
869 mi, 1398 km
Coreshare
AV 2277 /NH 7787 /NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL503
Duration
2h 51m
Distance
869 mi, 1398 km
Coreshare
NH 7787 /NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL503
Duration
2h 51m
Distance
869 mi, 1398 km
Coreshare
NH 7787 /NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL503
Duration
2h 51m
Distance
869 mi, 1398 km
Coreshare
NH 7787 /NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL503
Duration
2h 51m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL503
Duration
2h 53m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL503
Duration
2h 53m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL503
Duration
3h 02m
Distance
1010 mi, 1625 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1
Meals
Meal (none specific)
Seats
128
First class
8
Economy
120
United Airlines
UAL503
Duration
2h 53m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL503
Duration
2h 53m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL503
Duration
2h 55m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3320 /NZ 2381
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
2h 55m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3320 /AD 7001 /NZ 2381
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
2h 55m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3320 /NZ 2381
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3320 /NZ 2381
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
2h 47m
Distance
869 mi, 1398 km
Coreshare
AV 2277 /NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3320 /NZ 2381
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 58m
Distance
1657 mi, 2666 km
Coreshare
LH 7487
Same day flight
Yes
Terminal
Arrival: T1
Meals
Meal (none specific)
Seats
167
First class
8
Economy
159
United Airlines
UAL503
Duration
2h 47m
Distance
869 mi, 1398 km
Coreshare
AV 2277 /NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3320 /NZ 2379
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3320 /NZ 2379
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
2h 47m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3310 /NZ 2379
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
2h 47m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
2h 47m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
2h 47m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
2h 47m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3319 /NZ 2375
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3319 /NZ 2375
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL503
Duration
2h 47m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3319 /NZ 2375
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL503
Duration
2h 47m
Distance
869 mi, 1398 km
Coreshare
NZ 2098
Same day flight
Yes
Terminal
Departure: TB Arrival: T1
Meals
Snack or brunch
Seats
179
First class
20
Economy
159
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3310 /NZ 2379
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL503
Duration
3h 10m
Distance
1190 mi, 1915 km
Coreshare
AC 3310 /NZ 2379
Same day flight
Yes
Terminal
Departure: T1 Arrival: T1
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
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General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

864 miles, 1390 km

Actual distance

869 miles, 1398 km

0.58%
Flight time

2h 53m

Flights / Week

69 flights

Seats / Week

128 seats/flight

8832 seats/week

Upcoming scheduled flights in the coming 30 days

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  • Date
    Time
    From
    To
    Aircraft
    Status
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    20 Jul 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-800 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    21 Jul 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Jul 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-800 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Jul 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jul 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-800 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jul 2026
    16:00
    Chicago(ORD)
    Vail(EGE)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    25 Jul 2026
    16:00
    Chicago(ORD)
    Vail(EGE)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    26 Jul 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    27 Jul 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-800 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Jul 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    29 Jul 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-800 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    30 Jul 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    31 Jul 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-800 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    31 Jul 2026
    16:00
    Chicago(ORD)
    Vail(EGE)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    01 Aug 2026
    16:00
    Chicago(ORD)
    Vail(EGE)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    02 Aug 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    03 Aug 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-800 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Aug 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Aug 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-800 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Aug 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Aug 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-800 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Aug 2026
    16:00
    Chicago(ORD)
    Vail(EGE)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    08 Aug 2026
    16:00
    Chicago(ORD)
    Vail(EGE)
    Boeing 737-700 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    09 Aug 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-800 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Aug 2026
    10:35
    Boston(BOS)
    Chicago(ORD)
    Boeing 737-800 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Aug 2026
    10:38
    Boston(BOS)
    Chicago(ORD)
    Boeing 737MAX 9 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Aug 2026
    10:38
    Boston(BOS)
    Chicago(ORD)
    Boeing 737MAX 8 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    10:38
    Boston(BOS)
    Chicago(ORD)
    Boeing 737MAX 8 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Aug 2026
    10:38
    Boston(BOS)
    Chicago(ORD)
    Boeing 737MAX 8 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    15 Aug 2026
    10:38
    Boston(BOS)
    Chicago(ORD)
    Boeing 737MAX 8 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    16 Aug 2026
    10:38
    Boston(BOS)
    Chicago(ORD)
    Boeing 737MAX 8 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Aug 2026
    10:38
    Boston(BOS)
    Chicago(ORD)
    Boeing 737MAX 8 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    18 Aug 2026
    10:38
    Boston(BOS)
    Chicago(ORD)
    Boeing 737MAX 8 Passenger
    UA503
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    19 Aug 2026
    10:38
    Boston(BOS)
    Chicago(ORD)
    Boeing 737MAX 8 Passenger
    UA503

UAL503 information

A domestic route in USA departing from Boston (BOS) and arriving at Chicago (ORD).

The timezone of the departure airport is UTC -4, and the timezone of the arrival airport is UTC -5.

The current time at the point of departure is 8:53am, and 7:53am at the point of arrival. There is a -1 hour time difference between the airports.

The flight distance is 869 miles, or 1398 km.

For direct flights, the flight time is about 2:53.

Other flights between Boston and Chicago with United
06:00
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→
07:19
UA 2631
→
08:00
UA 717
→
08:00
UA 1027
→
08:15
UA 1834
→
09:50
UA 1349
→
12:27
UA 472
→
12:30
UA 1732
→
12:37
UA 463
→
13:31
UA 375
→
15:00
UA 2770
→
15:03
UA 2496
→
15:13
UA 1475
→
17:00
UA 2040
→
17:01
UA 563
→
18:43
UA 1015
→
20:15
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→
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→
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