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United Airlines

UAL4539 / UA4539

ICAO: UAL4539 IATA: UA4539

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
United Airlines
UAL4539
Duration
1h 40m
Distance
282 mi, 454 km
Coreshare
CM 1272 /LH 8575
Same day flight
Yes
Terminal
Departure: TC
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
1h 18m
Distance
285 mi, 459 km
Coreshare
AV 2044 /CM 2148 /LH 7611
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
1h 09m
Distance
158 mi, 254 km
Coreshare
AC 4747 /NH 7194
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
1h 18m
Distance
285 mi, 459 km
Coreshare
AV 2044 /CM 2148 /LH 7611
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
1h 18m
Distance
285 mi, 459 km
Coreshare
AV 2044 /CM 2148 /LH 7611
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
1h 18m
Distance
285 mi, 459 km
Coreshare
AV 2044 /LH 7611
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
2h 02m
Distance
529 mi, 851 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
2h 02m
Distance
529 mi, 851 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
2h 06m
Distance
592 mi, 953 km
Coreshare
NZ 2415
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
2h 06m
Distance
592 mi, 953 km
Coreshare
AC 4675 /NZ 2415
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
2h 06m
Distance
592 mi, 953 km
Coreshare
NZ 2415
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
1h 33m
Distance
259 mi, 417 km
Coreshare
AC 4914 /LH 7814 /NZ 2895
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4539
Duration
1h 24m
Distance
259 mi, 417 km
Coreshare
AC 4914 /EK 6308 /LH 7750 /NZ 2895
Same day flight
Yes
Terminal
Departure: T2 Arrival: T1
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

283 miles, 456 km

Actual distance

285 miles, 459 km

0.71%
Flight time

1h 18m

Flights / Week

24 flights

Seats / Week

49 seats/flight

1176 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:
    24 Jul 2026
    20:50
    New York(EWR)
    Buffalo(BUF)
    Canadair (Bombardier) Regional Jet 550
    UA4539
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    19:59
    Buffalo(BUF)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4539
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    15 Aug 2026
    13:05
    Dulles(IAD)
    Norfolk(ORF)
    Canadair (Bombardier) Regional Jet 550
    UA4539

UAL4539 information

A domestic route in USA departing from Buffalo (BUF) and arriving at Dulles (IAD).

The timezones of the departure and arrival airports are identical, UTC -4.

The flight distance is 285 miles, or 459 km.

For direct flights, the flight time is about 1:18.

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