China Eastern
flight
MU 8778:
Washington Dulles - Seattle-Tacoma
Washington Dulles - Seattle-Tacoma
FLIGHT SCHEDULE
Direct Codeshare Flights:
China Eastern MU8778
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1015)
Duration: 6:01, non-stop Airbus A220-300 (223)
Direct Codeshare Flights:
China Eastern MU8778
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1015)
Duration: 6:03, non-stop Airbus A220-300 (223)
Direct Codeshare Flights:
China Eastern MU8778
Valid until 2026-01-04
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1084)
Duration: 5:57, non-stop Airbus A220-300 (223)
Direct Codeshare Flights:
China Eastern MU8778
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1015)
Duration: 6:00, non-stop Airbus A220-300 (223)
Direct Codeshare Flights:
China Eastern MU8778
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1015)
Duration: 5:53, non-stop Airbus A220-300 (223)
Direct Codeshare Flights:
China Eastern MU8778
Effective 2026-01-05 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1015)
Duration: 5:59, non-stop Airbus A220-300 (223)
- MU 8778 is a domestic flight departing from the Washington Dulles airport (IAD) and arriving at Seattle-Tacoma airport (SEA).
- The flight distance is 2299 miles, or 3699 km.
- The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-8 . 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 5:53 and 6:03.