United Airlines flights from Dulles, Washington (IAD) to Dayton (DAY).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 17:10 Dulles, Washington (IAD) 18:48 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:38 Effective 2025-09-25 through 2025-10-25
Mon-Fri,Sun 17:15 Dulles, Washington (IAD) 18:53 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:38 Valid until 2025-05-21
Mon-Fri 17:15 Dulles, Washington (IAD) 18:59 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:44 Effective 2025-05-22 through 2025-05-30
Mon-Fri,Sun 17:15 Dulles, Washington (IAD) 18:59 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:44 Effective 2025-06-01 through 2025-07-03
Mon-Fri,Sun 17:15 Dulles, Washington (IAD) 18:59 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:44 Effective 2025-07-06 through 2025-08-18
Daily 17:20 Dulles, Washington (IAD) 18:41 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2025-08-19 through 2025-09-24
Daily 17:20 Dulles, Washington (IAD) 18:41 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective from 2025-10-26
Daily 08:15 Dulles, Washington (IAD) 09:51 Dayton (DAY)
United Airlines UA 4327 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:36 Valid until 2025-05-27
Mon,Tue,Fri-Sun 08:15 Dulles, Washington (IAD) 09:51 Dayton (DAY)
United Airlines UA 4327 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:36 Effective 2025-05-30 through 2025-06-24
Daily 08:15 Dulles, Washington (IAD) 09:51 Dayton (DAY)
United Airlines UA 4327 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:36 Effective 2025-06-26 through 2025-08-18
Daily 08:15 Dulles, Washington (IAD) 09:50 Dayton (DAY)
United Airlines UA 4327 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:35 Effective 2025-08-19 through 2026-01-05
Daily 08:15 Dulles, Washington (IAD) 09:41 Dayton (DAY)
United Airlines UA 4327 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective from 2026-02-12
Daily 12:35 Dulles, Washington (IAD) 14:12 Dayton (DAY)
United Airlines UA 4910 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:37 Valid until 2025-06-25
Daily 12:35 Dulles, Washington (IAD) 14:01 Dayton (DAY)
United Airlines UA 4910 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2025-08-19 through 2025-09-24
Daily 12:35 Dulles, Washington (IAD) 14:13 Dayton (DAY)
United Airlines UA 4910 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:38 Effective 2025-09-25 through 2025-10-25
Daily 12:35 Dulles, Washington (IAD) 14:01 Dayton (DAY)
United Airlines UA 4910 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2025-10-26 through 2025-12-17
Daily 12:35 Dulles, Washington (IAD) 14:01 Dayton (DAY)
United Airlines UA 4910 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective from 2026-01-06
Daily 12:40 Dulles, Washington (IAD) 14:16 Dayton (DAY)
United Airlines UA 4910 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:36 Effective 2025-06-26 through 2025-08-18




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United Airlines flights from Dulles, Washington (IAD) to Dayton (DAY).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4274
17:10
Dulles, Washington (IAD)

18:48
Dayton (DAY)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4274
17:15
Dulles, Washington (IAD)

18:53
Dayton (DAY)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:38, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4274
17:15
Dulles, Washington (IAD)

18:59
Dayton (DAY)
Effective 2025-05-22 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:44, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4274
17:15
Dulles, Washington (IAD)

18:59
Dayton (DAY)
Effective 2025-06-01 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:44, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4274
17:15
Dulles, Washington (IAD)

18:59
Dayton (DAY)
Effective 2025-07-06 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:44, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4274
17:20
Dulles, Washington (IAD)

18:41
Dayton (DAY)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4274
17:20
Dulles, Washington (IAD)

18:41
Dayton (DAY)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4327
08:15
Dulles, Washington (IAD)

09:51
Dayton (DAY)
Valid until 2025-05-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4327
08:15
Dulles, Washington (IAD)

09:51
Dayton (DAY)
Effective 2025-05-30 through 2025-06-24
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4327
08:15
Dulles, Washington (IAD)

09:51
Dayton (DAY)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4327
08:15
Dulles, Washington (IAD)

09:50
Dayton (DAY)
Effective 2025-08-19 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4327
08:15
Dulles, Washington (IAD)

09:41
Dayton (DAY)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4910
12:35
Dulles, Washington (IAD)

14:12
Dayton (DAY)
Valid until 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4910
12:35
Dulles, Washington (IAD)

14:01
Dayton (DAY)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4910
12:35
Dulles, Washington (IAD)

14:13
Dayton (DAY)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4910
12:35
Dulles, Washington (IAD)

14:01
Dayton (DAY)
Effective 2025-10-26 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4910
12:35
Dulles, Washington (IAD)

14:01
Dayton (DAY)
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4910
12:40
Dulles, Washington (IAD)

14:16
Dayton (DAY)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
  • A domestic route departing from the Dulles, Washington airport (IAD) and arriving at Dayton airport (DAY).
  • The flight distance is 367 miles, or 590 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:21 and 1:44.
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