Austrian
flight
OS 7801:
Zurich - Washington Dulles
Zurich - Washington Dulles
FLIGHT SCHEDULE
Direct Codeshare Flights:
Austrian OS7801
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:40, non-stop Boeing 767-400 (764)
Direct Codeshare Flights:
Austrian OS7801
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:45, non-stop Boeing 767-300 (763)
Direct Codeshare Flights:
Austrian OS7801
Valid until 2026-01-06
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:45, non-stop Boeing 767-300 (763)
Direct Codeshare Flights:
Austrian OS7801
Effective 2026-01-07 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:45, non-stop Boeing 767-400 (764)
Direct Codeshare Flights:
Austrian OS7801
Effective 2026-01-17 through 2026-01-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:25, non-stop Boeing 777 (777)
Direct Codeshare Flights:
Austrian OS7801
Effective 2026-01-26 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:45, non-stop Boeing 767-400 (764)
Direct Codeshare Flights:
Austrian OS7801
Effective 2026-02-05 through 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:45, non-stop Boeing 767-400 (764)
Direct Codeshare Flights:
Austrian OS7801
Effective 2026-02-13 through 2026-03-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:20, non-stop Boeing 787 (787)
Direct Codeshare Flights:
Austrian OS7801
Effective 2026-03-06 through 2026-03-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:40, non-stop Boeing 767-400 (764)
Direct Codeshare Flights:
Austrian OS7801
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:20, non-stop Boeing 767-300 (763)
Direct Codeshare Flights:
Austrian OS7801
Effective 2026-05-21 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:35, non-stop Boeing 767-300 (763)
Direct Codeshare Flights:
Austrian OS7801
Effective 2026-09-08 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:30, non-stop Boeing 767-300 (763)
Direct Codeshare Flights:
Austrian OS7801
Operates only on 2026-02-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 53)
Duration: 9:45, non-stop Boeing 767-400 (764)
- OS 7801 is an international flight departing from Zurich airport, Switzerland (ZRH) and arriving at Washington Dulles airport, United States (IAD).
- The flight distance is 4143 miles, or 6668 km.
- The timezone of the departure airport is UTC+1 , 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 9:20 and 9:45.