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United Airlines

UAL4521 / UA4521

ICAO: UAL4521 IATA: UA4521

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
United Airlines
UAL4521
Duration
1h 22m
Distance
285 mi, 459 km
Coreshare
LH 7751 /SN 8961
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 43m
Distance
389 mi, 626 km
Coreshare
AC 3767 /AV 2229 /CM 2582 /LH 7648 /SN 9049
Same day flight
Yes
Terminal
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 21m
Distance
289 mi, 465 km
Coreshare
LH 8979 /OS 7820 /SN 8977
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 21m
Distance
289 mi, 465 km
Coreshare
LH 8979 /OS 7820 /SN 8977
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 08m
Distance
183 mi, 294 km
Coreshare
NH 7142
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 43m
Distance
389 mi, 626 km
Coreshare
AC 3767 /AV 2229 /CM 2582 /LH 7648 /SN 9049
Same day flight
Yes
Terminal
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 22m
Distance
285 mi, 459 km
Coreshare
LH 7751 /SN 8961
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 43m
Distance
389 mi, 626 km
Coreshare
AC 3767 /AV 2229 /CM 2582 /LH 7648 /SN 9049
Same day flight
Yes
Terminal
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 23m
Distance
289 mi, 465 km
Coreshare
AV 2102 /CM 2303 /LH 7735
Same day flight
Yes
Terminal
Meals
No meal service
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 43m
Distance
441 mi, 710 km
Coreshare
CM 1759 /NZ 6728
Same day flight
Yes
Terminal
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
2h 02m
Distance
539 mi, 867 km
Coreshare
NZ 2879
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
2h 01m
Distance
580 mi, 933 km
Coreshare
AC 4721 /AV 2316 /NZ 2425
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 34m
Distance
385 mi, 619 km
Coreshare
AC 4728 /CM 1204
Same day flight
Yes
Terminal
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
2h 01m
Distance
580 mi, 933 km
Coreshare
AC 4721 /NZ 2425
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 34m
Distance
385 mi, 619 km
Coreshare
AC 4728 /CM 1204
Same day flight
Yes
Terminal
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 48m
Distance
539 mi, 867 km
Coreshare
AV 2304 /EK 6218 /NZ 2879
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
2h 01m
Distance
580 mi, 933 km
Coreshare
AC 4721 /NZ 2425
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 37m
Distance
385 mi, 619 km
Coreshare
AC 4728 /CM 1204
Same day flight
Yes
Terminal
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 48m
Distance
539 mi, 867 km
Coreshare
AV 2304 /EK 6218 /NZ 2879
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 48m
Distance
539 mi, 867 km
Coreshare
EK 6218 /NZ 2879
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
Seats
49
First class
9
Economy
40
United Airlines
UAL4521
Duration
1h 48m
Distance
539 mi, 867 km
Coreshare
EK 6218 /NZ 2879
Same day flight
Yes
Terminal
Departure: T2
Meals
Snack or brunch
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 22m

Flights / Week

25 flights

Seats / Week

49 seats/flight

1225 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
    15:00
    Buffalo(BUF)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    21 Jul 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    21 Jul 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Jul 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Jul 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Jul 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Jul 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jul 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jul 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    25 Jul 2026
    12:56
    Dulles(IAD)
    Pittsburgh(PIT)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    26 Jul 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    27 Jul 2026
    15:00
    Buffalo(BUF)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Jul 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Jul 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    29 Jul 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    29 Jul 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    30 Jul 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    30 Jul 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    31 Jul 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    31 Jul 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    01 Aug 2026
    12:56
    Dulles(IAD)
    Pittsburgh(PIT)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    02 Aug 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    03 Aug 2026
    15:00
    Buffalo(BUF)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Aug 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Aug 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Aug 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Aug 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Aug 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Aug 2026
    15:00
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Aug 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    08 Aug 2026
    12:56
    Dulles(IAD)
    Pittsburgh(PIT)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    09 Aug 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Aug 2026
    15:00
    Buffalo(BUF)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Aug 2026
    17:25
    Dulles(IAD)
    Cincinnati(CVG)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Aug 2026
    10:19
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Aug 2026
    11:48
    Bentonville(XNA)
    Houston(IAH)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    11:48
    Bentonville(XNA)
    Houston(IAH)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Aug 2026
    11:48
    Bentonville(XNA)
    Houston(IAH)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    15 Aug 2026
    11:48
    Bentonville(XNA)
    Houston(IAH)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    16 Aug 2026
    11:48
    Bentonville(XNA)
    Houston(IAH)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Aug 2026
    11:48
    Bentonville(XNA)
    Houston(IAH)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    18 Aug 2026
    11:48
    Bentonville(XNA)
    Houston(IAH)
    Canadair (Bombardier) Regional Jet 550
    UA4521
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    19 Aug 2026
    11:48
    Bentonville(XNA)
    Houston(IAH)
    Canadair (Bombardier) Regional Jet 550
    UA4521

UAL4521 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 1:22.

Other flights between Buffalo and Dulles with United
06:00
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UA 4298
→
06:12
UA 4190
→
06:15
UA 3668
→
06:15
UA 4498
→
10:20
UA 4935
→
10:30
UA 3991
→
10:30
UA 4192
→
10:33
UA 3410
→
10:34
UA 3430
→
10:34
UA 4468
→
14:53
UA 3452
→
15:00
UA 4291
→
19:52
UA 4270
→
19:59
UA 4378
→
19:59
UA 4170
→
19:59
UA 4041
→
19:59
UA 4030
→
19:59
UA 4539
→
19:59
UA 4547
→
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