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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 12:35 Washington Dulles (IAD) 14:22 Dayton (DAY)
United Airlines UA 4241 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:47 Effective 2026-03-05 through 2026-03-28
Daily 12:35 Washington Dulles (IAD) 14:01 Dayton (DAY)
United Airlines UA 4241 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective from 2026-03-29
Tue 08:15 Washington Dulles (IAD) 10:01 Dayton (DAY)
United Airlines UA 4259 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:46 Operates only on 2026-01-06
Daily 17:20 Washington Dulles (IAD) 19:05 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Valid until 2026-01-05
Daily 17:20 Washington Dulles (IAD) 18:41 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2026-03-29 through 2026-04-29
Daily 17:20 Washington Dulles (IAD) 19:02 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:42 Effective 2026-04-30 through 2026-05-20
Daily 17:20 Washington Dulles (IAD) 18:41 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective from 2026-05-21
Daily 17:48 Washington Dulles (IAD) 19:37 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:49 Effective 2026-01-06 through 2026-02-11
Daily 17:50 Washington Dulles (IAD) 19:38 Dayton (DAY)
United Airlines UA 4274 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:48 Effective 2026-02-12 through 2026-03-28
Daily 08:15 Washington Dulles (IAD) 09:47 Dayton (DAY)
United Airlines UA 4327 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:32 Effective from 2026-03-29
Mon,Tue,Thu-Sun 08:20 Washington Dulles (IAD) 10:03 Dayton (DAY)
United Airlines UA 4520 Non-stop Canadair CRJ 550 (CR5) 1:43 Valid until 2026-01-05
Daily 12:34 Washington Dulles (IAD) 14:22 Dayton (DAY)
United Airlines UA 4858 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:48 Effective 2026-02-12 through 2026-03-04
Daily 12:35 Washington Dulles (IAD) 14:16 Dayton (DAY)
United Airlines UA 4858 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Valid until 2026-01-05
Daily 12:35 Washington Dulles (IAD) 14:17 Dayton (DAY)
United Airlines UA 4858 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:42 Effective 2026-01-06 through 2026-02-11




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United Airlines flights from Washington Dulles (IAD) to Dayton (DAY).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4241
12:35
Washington Dulles (IAD)

14:22
Dayton (DAY)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4241
12:35
Washington Dulles (IAD)

14:01
Dayton (DAY)
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4259
08:15
Washington Dulles (IAD)

10:01
Dayton (DAY)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:46, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4274
17:20
Washington Dulles (IAD)

19:05
Dayton (DAY)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4274
17:20
Washington Dulles (IAD)

18:41
Dayton (DAY)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4274
17:20
Washington Dulles (IAD)

19:02
Dayton (DAY)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4274
17:20
Washington Dulles (IAD)

18:41
Dayton (DAY)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4274
17:48
Washington Dulles (IAD)

19:37
Dayton (DAY)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4274
17:50
Washington Dulles (IAD)

19:38
Dayton (DAY)
Effective 2026-02-12 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4327
08:15
Washington Dulles (IAD)

09:47
Dayton (DAY)
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4520
08:20
Washington Dulles (IAD)

10:03
Dayton (DAY)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4858
12:34
Washington Dulles (IAD)

14:22
Dayton (DAY)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4858
12:35
Washington Dulles (IAD)

14:16
Dayton (DAY)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4858
12:35
Washington Dulles (IAD)

14:17
Dayton (DAY)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
  • A domestic route departing from the Washington Dulles 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 1:49.
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