Copa Airlines
flight
CM 2126:
Atlanta - Washington Dulles
Atlanta - Washington Dulles
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Copa Airlines CM2126
Effective 2026-03-08 through 2026-03-22
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 2634)
Duration: 1:51, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Copa Airlines CM2126
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 3449)
Duration: 1:56, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM2126
Effective 2026-03-05 through 2026-03-17
Mon
Tue
Wed
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Thu
Fri
Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 2634)
Duration: 1:51, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM2126
Effective 2026-03-18 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2634)
Duration: 1:51, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM2126
Effective 2026-03-29 through 2026-04-07
Mon
Tue
Wed
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-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2634)
Duration: 1:53, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM2126
Effective 2026-04-08 through 2026-04-15
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2634)
Duration: 1:53, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM2126
Effective 2026-04-16 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2634)
Duration: 1:53, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM2126
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2634)
Duration: 1:50, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM2126
Effective 2026-03-07 through 2026-03-14
Mon
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Tue
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Wed
Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by United Airlines.(UA 2634Z)
Duration: 1:51, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM2126
Effective 2026-03-21 through 2026-03-28
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by United Airlines.(UA 2634Z)
Duration: 1:51, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM2126
Operates only on 2026-01-06
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 2634)
Duration: 1:51, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Copa Airlines CM2126
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2634)
Duration: 1:51, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM2126
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2634)
Duration: 1:45, non-stop Airbus A319 (319)
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Parallax here ATL-IAD
- CM 2126 is a domestic flight departing from the Atlanta airport (ATL) and arriving at Washington Dulles airport (IAD).
- The flight distance is 534 miles, or 859 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 1:45 and 1:56.