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United Airlines

UAL4581 / UA4581

ICAO: UAL4581 IATA: UA4581

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
United Airlines
UAL4581
Duration
1h 28m
Distance
259 mi, 417 km
Coreshare
AC 3578 /NH 7450 /NZ 2891
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 09m
Distance
254 mi, 409 km
Coreshare
NH 7060
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 09m
Distance
254 mi, 409 km
Coreshare
NH 7060
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
2h 06m
Distance
597 mi, 961 km
Coreshare
AC 3705 /CM 1470 /NH 7069 /NZ 6338
Same day flight
Yes
Terminal
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
2h 17m
Distance
671 mi, 1080 km
Coreshare
CM 1711 /NH 7089 /NZ 6913 /VA 8270
Same day flight
Yes
Terminal
Departure: T1
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 44m
Distance
432 mi, 695 km
Coreshare
AC 4769 /NH 7614 /NZ 6940
Same day flight
Yes
Terminal
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 22m
Distance
137 mi, 220 km
Coreshare
AC 4476 /CM 1820
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 22m
Distance
137 mi, 220 km
Coreshare
AC 4476
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 22m
Distance
137 mi, 220 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 27m
Distance
137 mi, 220 km
Coreshare
NZ 2406
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 22m
Distance
137 mi, 220 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 22m
Distance
137 mi, 220 km
Coreshare
CM 1820
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1820
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1203
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1203
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1820
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1203 /NZ 2406
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1203
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1820
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1820 /NZ 2406
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1820
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1820 /NZ 2406
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1820
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1820 /NZ 2406
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1820
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1203
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1820
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4581
Duration
1h 14m
Distance
137 mi, 220 km
Coreshare
CM 1820 /NZ 2406
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
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General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

136 miles, 220 km

Actual distance

137 miles, 220 km

0.74%
Flight time

1h 22m

Flights / Week

70 flights

Seats / Week

49 seats/flight

3430 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
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    21 Jul 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Jul 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Jul 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jul 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    25 Jul 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    26 Jul 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    27 Jul 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Jul 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    29 Jul 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    30 Jul 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    31 Jul 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    01 Aug 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    02 Aug 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    03 Aug 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Aug 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Aug 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Aug 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Aug 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    08 Aug 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    09 Aug 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Aug 2026
    12:55
    Chicago(ORD)
    Saint Louis(STL)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Aug 2026
    12:07
    Houston(IAH)
    Baton Rouge(BTR)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    12:07
    Houston(IAH)
    Baton Rouge(BTR)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Aug 2026
    12:07
    Houston(IAH)
    Baton Rouge(BTR)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    16 Aug 2026
    12:07
    Houston(IAH)
    Baton Rouge(BTR)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Aug 2026
    12:07
    Houston(IAH)
    Baton Rouge(BTR)
    Canadair (Bombardier) Regional Jet 550
    UA4581
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    18 Aug 2026
    12:07
    Houston(IAH)
    Baton Rouge(BTR)
    Canadair (Bombardier) Regional Jet 550
    UA4581

UAL4581 information

A domestic route in USA departing from Grand Rapids (GRR) 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 7:48pm, and 6:48pm at the point of arrival. There is a -1 hour time difference between the airports.

The flight distance is 137 miles, or 220 km.

For direct flights, the flight time is about 1:22.

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