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United Airlines

UAL421 / UA421

ICAO: UAL421 IATA: UA421

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
United Airlines
UAL421
Duration
3h 32m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
3h 32m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
3h 32m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
3h 31m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL421
Duration
3h 31m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
3h 28m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL421
Duration
3h 31m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
3h 26m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
3h 31m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
3h 28m
Distance
1457 mi, 2344 km
Coreshare
CM 2871 /LH 7519
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
2h 13m
Distance
590 mi, 949 km
Coreshare
AC 4420 /CA 7239 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL421
Duration
2h 13m
Distance
590 mi, 949 km
Coreshare
AC 4420 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL421
Duration
3h 28m
Distance
1457 mi, 2344 km
Coreshare
CM 2871 /LH 7519
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
3h 28m
Distance
1457 mi, 2344 km
Coreshare
CM 2871 /LH 7519
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
2h 13m
Distance
590 mi, 949 km
Coreshare
AC 4420 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL421
Duration
2h 13m
Distance
590 mi, 949 km
Coreshare
AC 4420 /CA 7239 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
166
First class
16
Economy
150
United Airlines
UAL421
Duration
2h 13m
Distance
590 mi, 949 km
Coreshare
AC 4420 /CA 7239 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL421
Duration
3h 28m
Distance
1457 mi, 2344 km
Coreshare
CM 2871 /LH 7519
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
2h 13m
Distance
590 mi, 949 km
Coreshare
AC 4420 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
179
First class
20
Economy
159
United Airlines
UAL421
Duration
3h 26m
Distance
1457 mi, 2344 km
Coreshare
CM 2871 /LH 7519
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
191
First class
16
Business
3
Premium economy
2
Economy
170
United Airlines
UAL421
Duration
2h 05m
Distance
590 mi, 949 km
Coreshare
AC 4420 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL421
Duration
3h 15m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL421
Duration
2h 05m
Distance
590 mi, 949 km
Coreshare
AC 4420 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL421
Duration
3h 15m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL421
Duration
2h 05m
Distance
590 mi, 949 km
Coreshare
AC 4420 /CA 7239 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL421
Duration
3h 15m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL421
Duration
2h 05m
Distance
590 mi, 949 km
Coreshare
AC 4420 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL421
Duration
3h 15m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL421
Duration
2h 05m
Distance
590 mi, 949 km
Coreshare
AC 4420 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL421
Duration
3h 15m
Distance
1457 mi, 2344 km
Coreshare
CM 2871
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL421
Duration
3h 15m
Distance
1457 mi, 2344 km
Coreshare
CM 2871 /LH 7519
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL421
Duration
2h 05m
Distance
590 mi, 949 km
Coreshare
AC 4420 /NZ 2456
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
United Airlines
UAL421
Duration
3h 15m
Distance
1457 mi, 2344 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
176
First class
6
Business
9
Economy
161
United Airlines
UAL421
Duration
2h 05m
Distance
590 mi, 949 km
Coreshare
Same day flight
Yes
Terminal
Arrival: T1
Meals
Snack or brunch
Seats
167
First class
8
Economy
159
According to schedule
Svg Vector Icons : http://www.onlinewebfonts.com/icon
DEN
Denver, US
left TERMINAL N/A
SUNDAY 31-MAY-2026
15:50 GMT-0600
IAD
Dulles, US
arrives TERMINAL N/A
SUNDAY 31-MAY-2026
21:22 GMT-0400
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General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

1449 miles, 2332 km

Actual distance

1457 miles, 2344 km

0.55%
Flight time

3h 32m

Flights / Week

60 flights

Seats / Week

191 seats/flight

11460 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:
    31 May 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    01 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    02 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    03 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    08 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    09 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Jun 2026
    15:58
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Jun 2026
    15:58
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    15 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    16 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    18 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    19 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    20 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    21 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jun 2026
    15:40
    Denver(DEN)
    Dulles(IAD)
    Boeing 737-900 Passenger
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    25 Jun 2026
    15:40
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    26 Jun 2026
    15:40
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    27 Jun 2026
    15:40
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Jun 2026
    15:50
    Denver(DEN)
    Dulles(IAD)
    Boeing 737-900 Passenger
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    29 Jun 2026
    15:40
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    30 Jun 2026
    15:40
    Denver(DEN)
    Dulles(IAD)
    Airbus A321neo
    UA421

UAL421 information

A domestic route in USA departing from Denver (DEN) and arriving at Dulles (IAD).

The timezone of the departure airport is UTC -6, and the timezone of the arrival airport is UTC -4.

The current time at the point of departure is 1:57am, and 3:57am at the point of arrival. There is a 2 hour time difference between the airports.

The flight distance is 1457 miles, or 2344 km.

For direct flights, the flight time is about 3:32.

Other flights between Denver and Dulles with United
06:13
UA 1279
08:00
UA 1101
10:20
UA 2087
12:26
UA 2853
13:53
UA 347
18:00
UA 2408
19:05
UA 1610
19:13
UA 1412
19:13
UA 2477
23:59
UA 1924
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