Copa Airlines flights from Buffalo (BUF) to Dulles, Washington (IAD).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 06:00 Buffalo (BUF) 07:14 Dulles, Washington (IAD)
Copa Airlines CM 1075 Non-stop Airbus A319 (319) 1:14 Effective 2024-09-26 through 2024-10-26
Codeshare flight, operated by United Airlines.(UA 514)
Mon,Tue,Fri 06:00 Buffalo (BUF) 07:21 Dulles, Washington (IAD)
Copa Airlines CM 1075 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:21 Effective 2024-10-28 through 2024-11-04
Codeshare flight, operated by United Airlines.(UA 3428)
Mon,Tue,Fri 06:00 Buffalo (BUF) 07:21 Dulles, Washington (IAD)
Copa Airlines CM 1075 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:21 Effective 2024-11-08 through 2024-11-22
Codeshare flight, operated by United Airlines.(UA 3428)
Mon,Sun 06:00 Buffalo (BUF) 07:21 Dulles, Washington (IAD)
Copa Airlines CM 1075 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:21 Effective 2024-11-24 through 2024-12-02
Codeshare flight, operated by United Airlines.(UA 3428)
Thu,Fri 06:00 Buffalo (BUF) 07:21 Dulles, Washington (IAD)
Copa Airlines CM 1075 Non-stop Embraer EMB 175 (E7W) 1:21 Effective 2024-11-28 through 2024-11-29
Codeshare flight, operated by United Airlines.(UA 3428)
Daily 06:00 Buffalo (BUF) 07:19 Dulles, Washington (IAD)
Copa Airlines CM 1075 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective from 2025-02-13
Codeshare flight, operated by United Airlines.(UA 4298)
Daily 06:15 Buffalo (BUF) 07:32 Dulles, Washington (IAD)
Copa Airlines CM 1075 Non-stop Embraer EMB 175 (E7W) 1:17 Valid until 2024-09-25
Codeshare flight, operated by United Airlines.(UA 6238)
Daily 19:30 Buffalo (BUF) 20:41 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:11 Effective from 2025-02-13
Codeshare flight, operated by United Airlines.(UA 4270)
Mon-Fri,Sun 19:48 Buffalo (BUF) 21:06 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer EMB 175 (E7W) 1:18 Valid until 2024-09-25
Codeshare flight, operated by United Airlines.(UA 6064)
Sat 19:48 Buffalo (BUF) 21:07 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Valid until 2024-09-21
Codeshare flight, operated by United Airlines.(UA 4349)
Mon-Fri,Sun 19:50 Buffalo (BUF) 21:11 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer EMB 175 (E7W) 1:21 Effective 2024-10-27 through 2024-11-03
Codeshare flight, operated by United Airlines.(UA 6184)
Mon,Sat 19:50 Buffalo (BUF) 21:12 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:22 Effective 2024-11-02 through 2024-11-09
Codeshare flight, operated by United Airlines.(UA 4858)
Mon-Fri,Sun 19:50 Buffalo (BUF) 21:11 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer EMB 175 (E7W) 1:21 Effective 2024-11-05 through 2024-11-27
Codeshare flight, operated by United Airlines.(UA 6184)
Sat 19:50 Buffalo (BUF) 21:12 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:22 Effective 2024-11-16 through 2024-11-30
Codeshare flight, operated by United Airlines.(UA 4858)
Mon,Fri,Sun 19:50 Buffalo (BUF) 21:11 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer EMB 175 (E7W) 1:21 Effective 2024-11-29 through 2024-12-02
Codeshare flight, operated by United Airlines.(UA 6184)
Daily 19:50 Buffalo (BUF) 21:12 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:22 Effective 2024-12-03 through 2024-12-18
Codeshare flight, operated by United Airlines.(UA 4858)
Daily 19:53 Buffalo (BUF) 21:20 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:27 Effective 2024-12-19 through 2025-01-06
Codeshare flight, operated by United Airlines.(UA 4270)
Mon-Fri,Sun 19:55 Buffalo (BUF) 21:13 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer EMB 175 (E7W) 1:18 Effective 2024-09-26 through 2024-10-25
Codeshare flight, operated by United Airlines.(UA 6064)
Sat 19:55 Buffalo (BUF) 21:14 Dulles, Washington (IAD)
Copa Airlines CM 2148 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective 2024-09-28 through 2024-10-26
Codeshare flight, operated by United Airlines.(UA 4911)
Daily 10:20 Buffalo (BUF) 11:45 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:25 Effective 2025-01-07 through 2025-02-03
Codeshare flight, operated by United Airlines.(UA 4875)
Mon,Wed,Fri,Sun 10:20 Buffalo (BUF) 11:45 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:25 Effective 2025-02-05 through 2025-02-12
Codeshare flight, operated by United Airlines.(UA 4875)
Mon,Wed,Fri,Sun 10:20 Buffalo (BUF) 11:41 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2025-02-14 through 2025-02-28
Codeshare flight, operated by United Airlines.(UA 4875)
Daily 10:20 Buffalo (BUF) 11:41 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective from 2025-03-01
Codeshare flight, operated by United Airlines.(UA 4875)
Mon,Wed-Sun 10:25 Buffalo (BUF) 11:43 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer EMB 175 (E7W) 1:18 Valid until 2024-09-04
Codeshare flight, operated by United Airlines.(UA 6072)
Mon,Wed,Fri,Sun 10:25 Buffalo (BUF) 11:43 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer EMB 175 (E7W) 1:18 Effective 2024-09-06 through 2024-09-25
Codeshare flight, operated by United Airlines.(UA 6072)
Fri,Sun 10:25 Buffalo (BUF) 11:44 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective 2024-09-27 through 2024-10-25
Codeshare flight, operated by United Airlines.(UA 4332)
Mon,Wed 10:25 Buffalo (BUF) 11:43 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer EMB 175 (E7W) 1:18 Effective 2024-09-30 through 2024-10-23
Codeshare flight, operated by United Airlines.(UA 6072)
Daily 10:25 Buffalo (BUF) 11:46 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2024-12-03 through 2024-12-18
Codeshare flight, operated by United Airlines.(UA 4875)
Daily 10:28 Buffalo (BUF) 11:50 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:22 Effective 2024-12-19 through 2025-01-06
Codeshare flight, operated by United Airlines.(UA 4875)
Mon,Wed,Fri-Sun 10:33 Buffalo (BUF) 11:54 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2024-10-27 through 2024-11-02
Codeshare flight, operated by United Airlines.(UA 4875)
Daily 10:33 Buffalo (BUF) 11:54 Dulles, Washington (IAD)
Copa Airlines CM 2149 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2024-11-03 through 2024-12-02
Codeshare flight, operated by United Airlines.(UA 4875)




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Copa Airlines flights from Buffalo (BUF) to Dulles, Washington (IAD).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Copa Airlines CM1075
06:00
Buffalo (BUF)

07:14
Dulles, Washington (IAD)
Effective 2024-09-26 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 514)
Duration: 1:14, non-stop
Airbus A319 (319)
Copa Airlines CM1075
06:00
Buffalo (BUF)

07:21
Dulles, Washington (IAD)
Effective 2024-10-28 through 2024-11-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 3428)
Duration: 1:21, non-stop
Embraer EMB 170 / EMB 175 (E70)
Copa Airlines CM1075
06:00
Buffalo (BUF)

07:21
Dulles, Washington (IAD)
Effective 2024-11-08 through 2024-11-22
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 3428)
Duration: 1:21, non-stop
Embraer EMB 170 / EMB 175 (E70)
Copa Airlines CM1075
06:00
Buffalo (BUF)

07:21
Dulles, Washington (IAD)
Effective 2024-11-24 through 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 3428)
Duration: 1:21, non-stop
Embraer EMB 170 / EMB 175 (E70)
Copa Airlines CM1075
06:00
Buffalo (BUF)

07:21
Dulles, Washington (IAD)
Effective 2024-11-28 through 2024-11-29
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 3428)
Duration: 1:21, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM1075
06:00
Buffalo (BUF)

07:19
Dulles, Washington (IAD)
Effective from 2025-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4298)
Duration: 1:19, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM1075
06:15
Buffalo (BUF)

07:32
Dulles, Washington (IAD)
Valid until 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 6238)
Duration: 1:17, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2148
19:30
Buffalo (BUF)

20:41
Dulles, Washington (IAD)
Effective from 2025-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4270)
Duration: 1:11, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2148
19:48
Buffalo (BUF)

21:06
Dulles, Washington (IAD)
Valid until 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6064)
Duration: 1:18, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2148
19:48
Buffalo (BUF)

21:07
Dulles, Washington (IAD)
Valid until 2024-09-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4349)
Duration: 1:19, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2148
19:50
Buffalo (BUF)

21:11
Dulles, Washington (IAD)
Effective 2024-10-27 through 2024-11-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6184)
Duration: 1:21, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2148
19:50
Buffalo (BUF)

21:12
Dulles, Washington (IAD)
Effective 2024-11-02 through 2024-11-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4858)
Duration: 1:22, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2148
19:50
Buffalo (BUF)

21:11
Dulles, Washington (IAD)
Effective 2024-11-05 through 2024-11-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6184)
Duration: 1:21, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2148
19:50
Buffalo (BUF)

21:12
Dulles, Washington (IAD)
Effective 2024-11-16 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4858)
Duration: 1:22, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2148
19:50
Buffalo (BUF)

21:11
Dulles, Washington (IAD)
Effective 2024-11-29 through 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6184)
Duration: 1:21, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2148
19:50
Buffalo (BUF)

21:12
Dulles, Washington (IAD)
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4858)
Duration: 1:22, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2148
19:53
Buffalo (BUF)

21:20
Dulles, Washington (IAD)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4270)
Duration: 1:27, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2148
19:55
Buffalo (BUF)

21:13
Dulles, Washington (IAD)
Effective 2024-09-26 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6064)
Duration: 1:18, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2148
19:55
Buffalo (BUF)

21:14
Dulles, Washington (IAD)
Effective 2024-09-28 through 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4911)
Duration: 1:19, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2149
10:20
Buffalo (BUF)

11:45
Dulles, Washington (IAD)
Effective 2025-01-07 through 2025-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4875)
Duration: 1:25, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2149
10:20
Buffalo (BUF)

11:45
Dulles, Washington (IAD)
Effective 2025-02-05 through 2025-02-12
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4875)
Duration: 1:25, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2149
10:20
Buffalo (BUF)

11:41
Dulles, Washington (IAD)
Effective 2025-02-14 through 2025-02-28
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4875)
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2149
10:20
Buffalo (BUF)

11:41
Dulles, Washington (IAD)
Effective from 2025-03-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4875)
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2149
10:25
Buffalo (BUF)

11:43
Dulles, Washington (IAD)
Valid until 2024-09-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 6072)
Duration: 1:18, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2149
10:25
Buffalo (BUF)

11:43
Dulles, Washington (IAD)
Effective 2024-09-06 through 2024-09-25
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6072)
Duration: 1:18, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2149
10:25
Buffalo (BUF)

11:44
Dulles, Washington (IAD)
Effective 2024-09-27 through 2024-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4332)
Duration: 1:19, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2149
10:25
Buffalo (BUF)

11:43
Dulles, Washington (IAD)
Effective 2024-09-30 through 2024-10-23
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 6072)
Duration: 1:18, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2149
10:25
Buffalo (BUF)

11:46
Dulles, Washington (IAD)
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4875)
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2149
10:28
Buffalo (BUF)

11:50
Dulles, Washington (IAD)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4875)
Duration: 1:22, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2149
10:33
Buffalo (BUF)

11:54
Dulles, Washington (IAD)
Effective 2024-10-27 through 2024-11-02
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4875)
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2149
10:33
Buffalo (BUF)

11:54
Dulles, Washington (IAD)
Effective 2024-11-03 through 2024-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4875)
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
  • A domestic route departing from the Buffalo airport (BUF) and arriving at Dulles, Washington 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 1:11 and 1:27.
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