Austrian flight OS 7863: Washington Dulles - Las Vegas Harry Reid

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon 17:10 Washington Dulles (IAD) 19:43 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 767-400 (764) 5:33 Operates only on 2026-01-05
Codeshare flight, operated by United Airlines.(UA 1634)
Mon,Thu,Fri 17:45 Washington Dulles (IAD) 20:22 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 737-900 (739) 5:37 Effective 2026-02-12 through 2026-03-02
Codeshare flight, operated by United Airlines.(UA 721)
Tue,Wed 17:45 Washington Dulles (IAD) 20:22 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 737-900 (739) 5:37 Effective 2026-03-03 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 721)
Sun 17:50 Washington Dulles (IAD) 20:27 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 737-900 (739) 5:37 Effective 2026-02-15 through 2026-03-01
Codeshare flight, operated by United Airlines.(UA 721)
Mon,Wed,Fri-Sun 19:36 Washington Dulles (IAD) 21:57 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 737-900 (739) 5:21 Effective 2026-01-07 through 2026-02-02
Codeshare flight, operated by United Airlines.(UA 2065)
Thu 19:36 Washington Dulles (IAD) 21:55 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 767-400 (764) 5:19 Operates only on 2026-01-08
Codeshare flight, operated by United Airlines.(UA 2065)
Mon,Fri-Sun 19:36 Washington Dulles (IAD) 21:57 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 737-900 (739) 5:21 Effective 2026-02-06 through 2026-02-09
Codeshare flight, operated by United Airlines.(UA 2065)
Wed 19:42 Washington Dulles (IAD) 22:03 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 737-900 (739) 5:21 Operates only on 2026-02-04
Codeshare flight, operated by United Airlines.(UA 2065)
Mon,Thu,Fri,Sun 19:45 Washington Dulles (IAD) 22:18 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 737-900 (739) 5:33 Effective 2026-03-05 through 2026-03-27
Codeshare flight, operated by United Airlines.(UA 1764)
Daily 19:50 Washington Dulles (IAD) 22:07 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 737 MAX 9 (7M9) 5:17 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1764)
Daily 19:52 Washington Dulles (IAD) 22:14 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 737 MAX 9 (7M9) 5:22 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 1764)
Daily 20:00 Washington Dulles (IAD) 22:17 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 737 MAX 9 (7M9) 5:17 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 1764)
Daily 20:25 Washington Dulles (IAD) 22:45 Las Vegas Harry Reid (LAS) 3
OS 7863 Non-stop Boeing 737 MAX 9 (7M9) 5:20 Valid until 2026-01-04
Codeshare flight, operated by United Airlines.(UA 1041)


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Austrian flight OS 7863:
Washington Dulles - Las Vegas Harry Reid
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Austrian OS7863
17:10
Washington Dulles (IAD)

19:43
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1634)
Duration: 5:33, non-stop
Boeing 767-400 (764)
Direct Codeshare Flights:
Austrian OS7863
17:45
Washington Dulles (IAD)

20:22
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 721)
Duration: 5:37, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7863
17:45
Washington Dulles (IAD)

20:22
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-03 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 721)
Duration: 5:37, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7863
17:50
Washington Dulles (IAD)

20:27
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 721)
Duration: 5:37, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7863
19:36
Washington Dulles (IAD)

21:57
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-07 through 2026-02-02
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2065)
Duration: 5:21, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7863
19:36
Washington Dulles (IAD)

21:55
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-01-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2065)
Duration: 5:19, non-stop
Boeing 767-400 (764)
Direct Codeshare Flights:
Austrian OS7863
19:36
Washington Dulles (IAD)

21:57
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-06 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2065)
Duration: 5:21, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7863
19:42
Washington Dulles (IAD)

22:03
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2065)
Duration: 5:21, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7863
19:45
Washington Dulles (IAD)

22:18
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-05 through 2026-03-27
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1764)
Duration: 5:33, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Austrian OS7863
19:50
Washington Dulles (IAD)

22:07
Las Vegas Harry Reid (LAS) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1764)
Duration: 5:17, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Austrian OS7863
19:52
Washington Dulles (IAD)

22:14
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1764)
Duration: 5:22, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Austrian OS7863
20:00
Washington Dulles (IAD)

22:17
Las Vegas Harry Reid (LAS) 3
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1764)
Duration: 5:17, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Austrian OS7863
20:25
Washington Dulles (IAD)

22:45
Las Vegas Harry Reid (LAS) 3
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1041)
Duration: 5:20, non-stop
Boeing 737 MAX 9 (7M9)
  • OS 7863 is a domestic flight departing from the Washington Dulles airport (IAD) and arriving at Las Vegas Harry Reid airport (LAS).
  • The flight distance is 2060 miles, or 3315 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 5:17 and 5:37.
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