Copa Airlines flight CM 2142: Dulles, Washington - Buffalo

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 17:10 Dulles, Washington (IAD) 18:36 Buffalo (BUF)
CM 2142 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2025-01-07 through 2025-02-12
Codeshare flight, operated by United Airlines.(UA 4823)
Daily 17:10 Dulles, Washington (IAD) 18:21 Buffalo (BUF)
CM 2142 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:11 Effective 2025-02-13 through 2025-03-31
Codeshare flight, operated by United Airlines.(UA 4823)
Daily 17:25 Dulles, Washington (IAD) 18:53 Buffalo (BUF)
CM 2142 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:28 Effective 2024-12-19 through 2025-01-06
Codeshare flight, operated by United Airlines.(UA 4823)
Mon-Fri,Sun 17:26 Dulles, Washington (IAD) 18:51 Buffalo (BUF)
CM 2142 Non-stop Embraer EMB 175 (E7W) 1:25 Valid until 2024-09-25
Codeshare flight, operated by United Airlines.(UA 6064)
Sat 17:26 Dulles, Washington (IAD) 18:52 Buffalo (BUF)
CM 2142 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Valid until 2024-09-21
Codeshare flight, operated by United Airlines.(UA 4820)
Mon-Fri,Sun 17:30 Dulles, Washington (IAD) 18:55 Buffalo (BUF)
CM 2142 Non-stop Embraer EMB 175 (E7W) 1:25 Effective 2024-09-26 through 2024-10-25
Codeshare flight, operated by United Airlines.(UA 6064)
Sat 17:30 Dulles, Washington (IAD) 18:56 Buffalo (BUF)
CM 2142 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2024-09-28 through 2024-10-26
Codeshare flight, operated by United Airlines.(UA 4820)
Mon-Fri,Sun 17:30 Dulles, Washington (IAD) 18:52 Buffalo (BUF)
CM 2142 Non-stop Embraer EMB 175 (E7W) 1:22 Effective 2024-10-27 through 2024-11-03
Codeshare flight, operated by United Airlines.(UA 6184)
Mon,Sat 17:30 Dulles, Washington (IAD) 18:53 Buffalo (BUF)
CM 2142 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:23 Effective 2024-11-02 through 2024-11-09
Codeshare flight, operated by United Airlines.(UA 4871)
Mon-Fri,Sun 17:30 Dulles, Washington (IAD) 18:52 Buffalo (BUF)
CM 2142 Non-stop Embraer EMB 175 (E7W) 1:22 Effective 2024-11-05 through 2024-12-02
Codeshare flight, operated by United Airlines.(UA 6184)
Sat 17:30 Dulles, Washington (IAD) 18:53 Buffalo (BUF)
CM 2142 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:23 Effective 2024-11-16 through 2024-11-30
Codeshare flight, operated by United Airlines.(UA 4871)
Daily 17:30 Dulles, Washington (IAD) 18:53 Buffalo (BUF)
CM 2142 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:23 Effective 2024-12-03 through 2024-12-18
Codeshare flight, operated by United Airlines.(UA 4871)


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Copa Airlines flight CM 2142:
Dulles, Washington - Buffalo
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Copa Airlines CM2142
17:10
Dulles, Washington (IAD)

18:36
Buffalo (BUF)
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4823)
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2142
17:10
Dulles, Washington (IAD)

18:21
Buffalo (BUF)
Effective 2025-02-13 through 2025-03-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4823)
Duration: 1:11, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2142
17:25
Dulles, Washington (IAD)

18:53
Buffalo (BUF)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4823)
Duration: 1:28, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2142
17:26
Dulles, Washington (IAD)

18:51
Buffalo (BUF)
Valid until 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6064)
Duration: 1:25, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2142
17:26
Dulles, Washington (IAD)

18:52
Buffalo (BUF)
Valid until 2024-09-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4820)
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2142
17:30
Dulles, Washington (IAD)

18:55
Buffalo (BUF)
Effective 2024-09-26 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6064)
Duration: 1:25, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2142
17:30
Dulles, Washington (IAD)

18:56
Buffalo (BUF)
Effective 2024-09-28 through 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4820)
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2142
17:30
Dulles, Washington (IAD)

18:52
Buffalo (BUF)
Effective 2024-10-27 through 2024-11-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6184)
Duration: 1:22, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2142
17:30
Dulles, Washington (IAD)

18:53
Buffalo (BUF)
Effective 2024-11-02 through 2024-11-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4871)
Duration: 1:23, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2142
17:30
Dulles, Washington (IAD)

18:52
Buffalo (BUF)
Effective 2024-11-05 through 2024-12-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6184)
Duration: 1:22, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM2142
17:30
Dulles, Washington (IAD)

18:53
Buffalo (BUF)
Effective 2024-11-16 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4871)
Duration: 1:23, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Copa Airlines CM2142
17:30
Dulles, Washington (IAD)

18:53
Buffalo (BUF)
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4871)
Duration: 1:23, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
  • CM 2142 is a domestic flight departing from the Dulles, Washington airport (IAD) and arriving at Buffalo airport (BUF).
  • 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 1:28.
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