All airlines flying from Buffalo (BUF) to Washington Dulles (IAD).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Thu
10:29
Buffalo (BUF)
11:55
Washington Dulles (IAD) United Airlines UA 3473 Non-stop Embraer EMB 175 (E7W) 1:26 Operates only on 2026-01-01 |
| Mon-Wed
10:29
Buffalo (BUF)
11:55
Washington Dulles (IAD) United Airlines UA 3499 Non-stop Embraer EMB 175 (E7W) 1:26 Valid until 2026-01-05 |
| Sun
10:29
Buffalo (BUF)
11:55
Washington Dulles (IAD) United Airlines UA 3520 Non-stop Embraer EMB 175 (E7W) 1:26 Valid until 2026-01-04 |
| Sat
10:29
Buffalo (BUF)
11:55
Washington Dulles (IAD) United Airlines UA 3520 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:26 Operates only on 2026-01-03 |
| Daily
06:07
Buffalo (BUF)
07:35
Washington Dulles (IAD) United Airlines UA 3634 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2026-02-12 through 2026-03-04 |
| Daily
06:00
Buffalo (BUF)
07:19
Washington Dulles (IAD) United Airlines UA 3991 Non-stop Embraer EMB 175 (E7W) 1:19 Effective 2026-04-30 through 2026-05-20 |
| Daily
10:20
Buffalo (BUF)
11:41
Washington Dulles (IAD) United Airlines UA 3992 Non-stop Embraer EMB 175 (E7W) 1:21 Effective 2026-04-30 through 2026-05-20 |
| Daily
10:00
Buffalo (BUF)
11:27
Washington Dulles (IAD) United Airlines UA 4182 Non-stop Canadair CRJ 550 (CR5) 1:27 Effective 2026-02-13 through 2026-03-04 |
| Daily
19:30
Buffalo (BUF)
20:58
Washington Dulles (IAD) United Airlines UA 4270 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:28 Effective 2026-03-05 through 2026-03-28 |
| Daily
19:30
Buffalo (BUF)
20:49
Washington Dulles (IAD) United Airlines UA 4270 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective from 2026-10-25 |
| Daily
19:48
Buffalo (BUF)
21:20
Washington Dulles (IAD) United Airlines UA 4270 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:32 Valid until 2026-01-05 |
| Daily
19:55
Buffalo (BUF)
21:14
Washington Dulles (IAD) United Airlines UA 4270 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective 2026-03-29 through 2026-10-24 |
| Daily
14:44
Buffalo (BUF)
16:03
Washington Dulles (IAD) United Airlines UA 4291 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective from 2026-03-29 |
| Daily
14:49
Buffalo (BUF)
16:19
Washington Dulles (IAD) United Airlines UA 4291 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:30 Effective 2026-01-06 through 2026-02-11 |
| Mon-Sat
14:49
Buffalo (BUF)
16:17
Washington Dulles (IAD) United Airlines UA 4291 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:28 Effective 2026-03-05 through 2026-03-28 |
| Daily
14:50
Buffalo (BUF)
16:19
Washington Dulles (IAD) United Airlines UA 4291 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:29 Valid until 2026-01-05 |
| Daily
06:00
Buffalo (BUF)
07:19
Washington Dulles (IAD) United Airlines UA 4298 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective 2026-03-29 through 2026-04-29 |
| Daily
06:00
Buffalo (BUF)
07:19
Washington Dulles (IAD) United Airlines UA 4298 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective 2026-05-21 through 2026-10-24 |
| Mon,Thu-Sun
06:07
Buffalo (BUF)
07:35
Washington Dulles (IAD) United Airlines UA 4298 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:28 Effective 2026-03-05 through 2026-03-28 |
| Mon-Fri,Sun
14:54
Buffalo (BUF)
16:18
Washington Dulles (IAD) United Airlines UA 4443 Non-stop Canadair CRJ 550 (CR5) 1:24 Effective 2026-02-12 through 2026-03-04 |
| Daily
09:55
Buffalo (BUF)
11:33
Washington Dulles (IAD) United Airlines UA 4935 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:38 Effective 2026-01-07 through 2026-02-11 |
| Daily
10:20
Buffalo (BUF)
11:41
Washington Dulles (IAD) United Airlines UA 4935 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2026-03-29 through 2026-04-29 |
| Daily
10:20
Buffalo (BUF)
11:41
Washington Dulles (IAD) United Airlines UA 4935 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective from 2026-05-21 |
| Tue
10:25
Buffalo (BUF)
11:55
Washington Dulles (IAD) United Airlines UA 4935 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:30 Operates only on 2026-01-06 |
| Fri,Sat
10:29
Buffalo (BUF)
11:55
Washington Dulles (IAD) United Airlines UA 4935 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Valid until 2026-01-02 |
| Daily
10:32
Buffalo (BUF)
11:55
Washington Dulles (IAD) United Airlines UA 4935 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:23 Effective 2026-03-05 through 2026-03-28 |
| Direct Codeshare Flights: |
| Daily
06:00
Buffalo (BUF)
07:19
Washington Dulles (IAD) Copa Airlines CM 1075 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4298) |
| Daily
06:00
Buffalo (BUF)
07:19
Washington Dulles (IAD) Copa Airlines CM 1075 Non-stop Embraer EMB 175 (E7W) 1:19 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 3991) |
| Daily
06:00
Buffalo (BUF)
07:19
Washington Dulles (IAD) Copa Airlines CM 1075 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective 2026-05-21 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 4298) |
| Mon,Thu-Sun
06:07
Buffalo (BUF)
07:35
Washington Dulles (IAD) Copa Airlines CM 1075 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:28 Effective 2026-03-08 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4298) |
| Daily
09:55
Buffalo (BUF)
11:33
Washington Dulles (IAD) Avianca AV 2043 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:38 Effective 2026-01-07 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4935) |
| Daily
10:00
Buffalo (BUF)
11:27
Washington Dulles (IAD) Avianca AV 2043 Non-stop Canadair CRJ 550 (CR5) 1:27 Effective 2026-02-13 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 4182) |
| Daily
10:20
Buffalo (BUF)
11:41
Washington Dulles (IAD) Avianca AV 2043 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 4935) |
| Daily
10:20
Buffalo (BUF)
11:41
Washington Dulles (IAD) Avianca AV 2043 Non-stop Embraer EMB 175 (E7W) 1:21 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 3992) |
| Daily
10:20
Buffalo (BUF)
11:41
Washington Dulles (IAD) Avianca AV 2043 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 4935) |
| Tue
10:25
Buffalo (BUF)
11:55
Washington Dulles (IAD) Avianca AV 2043 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:30 Operates only on 2026-01-06 Codeshare flight, operated by United Airlines.(UA 4935) |
| Fri,Sat
10:29
Buffalo (BUF)
11:55
Washington Dulles (IAD) Avianca AV 2043 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Valid until 2026-01-02 Codeshare flight, operated by United Airlines.(UA 4935) |
| Mon-Thu,Sun
10:29
Buffalo (BUF)
11:55
Washington Dulles (IAD) Avianca AV 2043 Non-stop Embraer EMB 175 (E7W) 1:26 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 3520) |
| Sat
10:29
Buffalo (BUF)
11:55
Washington Dulles (IAD) Avianca AV 2043 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:26 Operates only on 2026-01-03 Codeshare flight, operated by United Airlines.(UA 3520) |
| Daily
10:32
Buffalo (BUF)
11:55
Washington Dulles (IAD) Avianca AV 2043 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:23 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4935) |
| Thu
14:54
Buffalo (BUF)
16:18
Washington Dulles (IAD) Avianca AV 2043 Non-stop Canadair CRJ 550 (CR5) 1:24 Operates only on 2026-02-12 Codeshare flight, operated by United Airlines.(UA 4443) |
| Daily
06:07
Buffalo (BUF)
07:35
Washington Dulles (IAD) Avianca AV 2044 Non-stop Embraer EMB 175 (E7W) 1:28 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 3634) |
| Mon,Thu-Sun
06:07
Buffalo (BUF)
07:35
Washington Dulles (IAD) Avianca AV 2044 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:28 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4298) |
| Daily
14:49
Buffalo (BUF)
16:19
Washington Dulles (IAD) Avianca AV 2044 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:30 Effective 2026-01-06 through 2026-01-31 Codeshare flight, operated by United Airlines.(UA 4291) |
| Tue,Thu,Sat
14:49
Buffalo (BUF)
16:19
Washington Dulles (IAD) Avianca AV 2044 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:30 Effective 2026-02-03 through 2026-02-10 Codeshare flight, operated by United Airlines.(UA 4291) |
| Tue,Wed
19:30
Buffalo (BUF)
20:58
Washington Dulles (IAD) Avianca AV 2044 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:28 Effective 2026-03-10 through 2026-03-25 Codeshare flight, operated by United Airlines.(UA 4270) |
| Daily
19:30
Buffalo (BUF)
20:49
Washington Dulles (IAD) Avianca AV 2044 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective from 2026-10-25 Codeshare flight, operated by United Airlines.(UA 4270) |
| Daily
19:48
Buffalo (BUF)
21:20
Washington Dulles (IAD) Avianca AV 2044 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:32 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4270) |
| Daily
19:55
Buffalo (BUF)
21:14
Washington Dulles (IAD) Avianca AV 2044 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective 2026-03-29 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 4270) |
| Daily
19:30
Buffalo (BUF)
20:58
Washington Dulles (IAD) Copa Airlines CM 2148 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:28 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 4270) |
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- A domestic route departing from the Buffalo airport (BUF) and arriving at Washington Dulles airport (IAD).
- The flight distance is 283 miles, or 456 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 1:19 and 1:38.
