Austrian flight OS 7864: Las Vegas Harry Reid - Washington Dulles

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:00 Las Vegas Harry Reid (LAS) 3 14:20 Washington Dulles (IAD)
OS 7864 Non-stop Boeing 737 MAX 9 (7M9) 4:20 Effective 2026-05-21 through 2026-06-24
Codeshare flight, operated by United Airlines.(UA 1228)
Daily 08:04 Las Vegas Harry Reid (LAS) 3 15:31 Washington Dulles (IAD)
OS 7864 Non-stop Boeing 737-900 (739) 4:27 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 1228)
Daily 08:10 Las Vegas Harry Reid (LAS) 3 15:47 Washington Dulles (IAD)
OS 7864 Non-stop Boeing 737-900 (739) 4:37 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 1228)
Mon-Fri,Sun 08:30 Las Vegas Harry Reid (LAS) 3 16:00 Washington Dulles (IAD)
OS 7864 Non-stop Boeing 737-900 (739) 4:30 Valid until 2026-01-08
Codeshare flight, operated by United Airlines.(UA 780)
Fri 08:30 Las Vegas Harry Reid (LAS) 3 15:59 Washington Dulles (IAD)
OS 7864 Non-stop Boeing 767-400 (764) 4:29 Operates only on 2026-01-09
Codeshare flight, operated by United Airlines.(UA 1228)
Mon,Wed,Fri-Sun 08:30 Las Vegas Harry Reid (LAS) 3 16:00 Washington Dulles (IAD)
OS 7864 Non-stop Boeing 737-900 (739) 4:30 Effective 2026-01-10 through 2026-02-02
Codeshare flight, operated by United Airlines.(UA 780)
Mon,Fri-Sun 08:30 Las Vegas Harry Reid (LAS) 3 16:00 Washington Dulles (IAD)
OS 7864 Non-stop Boeing 737-900 (739) 4:30 Effective 2026-02-06 through 2026-02-09
Codeshare flight, operated by United Airlines.(UA 780)
Daily 08:35 Las Vegas Harry Reid (LAS) 3 15:55 Washington Dulles (IAD)
OS 7864 Non-stop Boeing 737 MAX 9 (7M9) 4:20 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1228)
Daily 08:35 Las Vegas Harry Reid (LAS) 3 15:55 Washington Dulles (IAD)
OS 7864 Non-stop Boeing 737 MAX 9 (7M9) 4:20 Effective from 2026-08-18
Codeshare flight, operated by United Airlines.(UA 1228)
Mon,Thu-Sun 08:41 Las Vegas Harry Reid (LAS) 3 16:08 Washington Dulles (IAD)
OS 7864 Non-stop Boeing 737-900 (739) 4:27 Effective 2026-02-12 through 2026-03-02
Codeshare flight, operated by United Airlines.(UA 1228)
Tue,Wed 08:41 Las Vegas Harry Reid (LAS) 3 16:08 Washington Dulles (IAD)
OS 7864 Non-stop Boeing 737-900 (739) 4:27 Effective 2026-03-03 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 1228)


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Austrian flight OS 7864:
Las Vegas Harry Reid - Washington Dulles
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Austrian OS7864
07:00
Las Vegas Harry Reid (LAS) 3

14:20
Washington Dulles (IAD)
Effective 2026-05-21 through 2026-06-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1228)
Duration: 4:20, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Austrian OS7864
08:04
Las Vegas Harry Reid (LAS) 3

15:31
Washington Dulles (IAD)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1228)
Duration: 4:27, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7864
08:10
Las Vegas Harry Reid (LAS) 3

15:47
Washington Dulles (IAD)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1228)
Duration: 4:37, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7864
08:30
Las Vegas Harry Reid (LAS) 3

16:00
Washington Dulles (IAD)
Valid until 2026-01-08
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 780)
Duration: 4:30, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7864
08:30
Las Vegas Harry Reid (LAS) 3

15:59
Washington Dulles (IAD)
Operates only on 2026-01-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1228)
Duration: 4:29, non-stop
Boeing 767-400 (764)
Direct Codeshare Flights:
Austrian OS7864
08:30
Las Vegas Harry Reid (LAS) 3

16:00
Washington Dulles (IAD)
Effective 2026-01-10 through 2026-02-02
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 780)
Duration: 4:30, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7864
08:30
Las Vegas Harry Reid (LAS) 3

16:00
Washington Dulles (IAD)
Effective 2026-02-06 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 780)
Duration: 4:30, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7864
08:35
Las Vegas Harry Reid (LAS) 3

15:55
Washington Dulles (IAD)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1228)
Duration: 4:20, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Austrian OS7864
08:35
Las Vegas Harry Reid (LAS) 3

15:55
Washington Dulles (IAD)
Effective from 2026-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1228)
Duration: 4:20, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Austrian OS7864
08:41
Las Vegas Harry Reid (LAS) 3

16:08
Washington Dulles (IAD)
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1228)
Duration: 4:27, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7864
08:41
Las Vegas Harry Reid (LAS) 3

16:08
Washington Dulles (IAD)
Effective 2026-03-03 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1228)
Duration: 4:27, non-stop
Boeing 737-900 (739)
  • OS 7864 is a domestic flight departing from the Las Vegas Harry Reid airport (LAS) and arriving at Washington Dulles airport (IAD).
  • The flight distance is 2060 miles, or 3315 km.
  • The timezone of the departure airport is UTC-8 , 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 4:20 and 4:37.
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