Air Canada flight AC 4428: Louisville - Washington Dulles

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:50 Louisville (SDF) 11:36 Washington Dulles (IAD)
AC 4428 Non-stop Embraer EMB 175 (E7W) 1:46 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 6216)
Daily 09:50 Louisville (SDF) 11:33 Washington Dulles (IAD)
AC 4428 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 6216)
Daily 09:55 Louisville (SDF) 11:36 Washington Dulles (IAD)
AC 4428 Non-stop Embraer EMB 175 (E7W) 1:41 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 6259)
Daily 09:55 Louisville (SDF) 11:38 Washington Dulles (IAD)
AC 4428 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 4021)
Daily 09:55 Louisville (SDF) 11:35 Washington Dulles (IAD)
AC 4428 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2026-03-29 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 4075)
Daily 10:00 Louisville (SDF) 11:39 Washington Dulles (IAD)
AC 4428 Non-stop Embraer EMB 175 (E7W) 1:39 Effective from 2026-08-18
Codeshare flight, operated by United Airlines.(UA 3508)
Air Canada flight AC 4428:
Louisville - Washington Dulles
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air Canada AC4428
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 6216)
Duration: 1:46, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4428
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 6216)
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4428
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 6259)
Duration: 1:41, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4428
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4021)
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4428
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4075)
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Air Canada AC4428
Effective from 2026-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 3508)
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
  • AC 4428 is a domestic flight departing from the Louisville airport (SDF) and arriving at Washington Dulles airport (IAD).
  • The flight distance is 450 miles, or 725 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 1:39 and 1:46.