Copa Airlines
flight
CM 1681:
Houston George Bush - Louisville
Houston George Bush - Louisville
FLIGHT SCHEDULE
Direct Codeshare Flights:
Copa Airlines CM1681
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.(UA 4050Z)
Duration: 2:15, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1681
Effective from 2026-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.(UA 4050Z)
Duration: 2:15, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1681
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 4050)
Duration: 2:19, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1681
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 4050)
Duration: 2:16, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1681
Effective 2026-03-07 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 4050)
Duration: 2:16, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1681
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4050)
Duration: 2:26, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1681
Effective 2026-01-10 through 2026-02-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 4050)
Duration: 2:19, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1681
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4050)
Duration: 2:19, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1681
Effective 2026-03-08 through 2026-03-22
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 4050)
Duration: 2:16, non-stop Embraer EMB 175 (E7W)
- CM 1681 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Louisville airport (SDF).
- The flight distance is 787 miles, or 1266 km.
- The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 2:15 and 2:26.