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United Airlines

UAL4551 / UA4551

ICAO: UAL4551 IATA: UA4551

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
United Airlines
UAL4551
Duration
1h 48m
Distance
477 mi, 767 km
Coreshare
AV 2336 /NZ 2951
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 17m
Distance
137 mi, 220 km
Coreshare
NZ 2404
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 18m
Distance
241 mi, 388 km
Coreshare
NZ 2251
Same day flight
Yes
Terminal
Departure: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
2h 07m
Distance
580 mi, 933 km
Coreshare
AC 4717 /NH 7728 /NZ 2431
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 18m
Distance
241 mi, 388 km
Coreshare
NZ 2251
Same day flight
Yes
Terminal
Departure: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 17m
Distance
137 mi, 220 km
Coreshare
NZ 2404
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 17m
Distance
137 mi, 220 km
Coreshare
NZ 2410
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 18m
Distance
241 mi, 388 km
Coreshare
NZ 2251
Same day flight
Yes
Terminal
Departure: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 17m
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
UAL4551
Duration
1h 18m
Distance
241 mi, 388 km
Coreshare
NZ 2251
Same day flight
Yes
Terminal
Departure: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 17m
Distance
137 mi, 220 km
Coreshare
NZ 2408
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 18m
Distance
241 mi, 388 km
Coreshare
NZ 2251
Same day flight
Yes
Terminal
Departure: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 18m
Distance
241 mi, 388 km
Coreshare
NZ 2251
Same day flight
Yes
Terminal
Departure: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 17m
Distance
137 mi, 220 km
Coreshare
NZ 2410
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 40m
Distance
325 mi, 523 km
Coreshare
NZ 2511
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 13m
Distance
130 mi, 209 km
Coreshare
CM 1423 /NZ 2748
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 13m
Distance
130 mi, 209 km
Coreshare
CM 1423 /NZ 2748
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 13m
Distance
130 mi, 209 km
Coreshare
CM 1423 /NZ 2748
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 13m
Distance
130 mi, 209 km
Coreshare
CM 1423 /NZ 2748
Same day flight
Yes
Terminal
Arrival: T2
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 14m
Distance
178 mi, 286 km
Coreshare
AC 3992
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 07m
Distance
202 mi, 325 km
Coreshare
AC 3417 /CM 1310 /LH 8693
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 07m
Distance
202 mi, 325 km
Coreshare
AC 3417 /CM 1310 /LH 8693
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 07m
Distance
202 mi, 325 km
Coreshare
AC 3417 /CM 1310 /LH 8693
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 07m
Distance
202 mi, 325 km
Coreshare
AC 3419 /CM 1310 /LH 8693 /NZ 9768
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 14m
Distance
202 mi, 325 km
Coreshare
AC 3417 /CM 1310 /LH 8693
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 09m
Distance
202 mi, 325 km
Coreshare
AC 3419 /CM 1310 /NZ 9768
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 09m
Distance
202 mi, 325 km
Coreshare
AC 3419 /CM 1310 /NZ 9768
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 09m
Distance
202 mi, 325 km
Coreshare
AC 3417 /CM 1310 /NZ 9768
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 18m
Distance
202 mi, 325 km
Coreshare
AC 3417 /CM 1310 /LH 8693
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 14m
Distance
202 mi, 325 km
Coreshare
AC 3417 /CM 1310 /LH 8693
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 14m
Distance
202 mi, 325 km
Coreshare
AC 3417 /CM 1310 /LH 8696
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 14m
Distance
202 mi, 325 km
Coreshare
AC 3417 /CM 1310 /LH 6731
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4551
Duration
1h 14m
Distance
202 mi, 325 km
Coreshare
Same day flight
Yes
Terminal
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 17m

Flights / Week

27 flights

Seats / Week

49 seats/flight

1323 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:
    21 Jul 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Jul 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Jul 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jul 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    25 Jul 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    26 Jul 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    27 Jul 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Jul 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    29 Jul 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    30 Jul 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    31 Jul 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    01 Aug 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    02 Aug 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    03 Aug 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Aug 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Aug 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Aug 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Aug 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    08 Aug 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    09 Aug 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Aug 2026
    06:55
    Chicago(ORD)
    Knoxville(TYS)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Aug 2026
    06:00
    Grand Rapids(GRR)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Aug 2026
    08:40
    Chicago(ORD)
    Dayton(DAY)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Aug 2026
    06:00
    Grand Rapids(GRR)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Aug 2026
    08:40
    Chicago(ORD)
    Dayton(DAY)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    06:00
    Grand Rapids(GRR)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    08:40
    Chicago(ORD)
    Dayton(DAY)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Aug 2026
    06:00
    Grand Rapids(GRR)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Aug 2026
    08:40
    Chicago(ORD)
    Dayton(DAY)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    15 Aug 2026
    06:00
    Grand Rapids(GRR)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    15 Aug 2026
    08:40
    Chicago(ORD)
    Dayton(DAY)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    16 Aug 2026
    10:25
    Chicago(ORD)
    Greenville(GSP)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Aug 2026
    06:00
    Grand Rapids(GRR)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Aug 2026
    08:40
    Chicago(ORD)
    Dayton(DAY)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    18 Aug 2026
    06:00
    Grand Rapids(GRR)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    18 Aug 2026
    08:40
    Chicago(ORD)
    Dayton(DAY)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    19 Aug 2026
    06:00
    Grand Rapids(GRR)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    19 Aug 2026
    08:40
    Chicago(ORD)
    Dayton(DAY)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    20 Aug 2026
    06:00
    Grand Rapids(GRR)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4551
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    20 Aug 2026
    08:40
    Chicago(ORD)
    Dayton(DAY)
    Canadair (Bombardier) Regional Jet 550
    UA4551

UAL4551 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 6:39pm, and 5:39pm 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 1:17.

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