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

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:00 Las Vegas Harry Reid (LAS) 3 14:37 Dulles, Washington (IAD)
OS 7864 Non-stop Boeing 737-800 (738) 4:37 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 2497)
Daily 08:25 Las Vegas Harry Reid (LAS) 3 15:58 Dulles, Washington (IAD)
OS 7864 Non-stop Boeing 737-900 (739) 4:33 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 2497)
Thu 08:30 Las Vegas Harry Reid (LAS) 3 16:07 Dulles, Washington (IAD)
OS 7864 Non-stop Boeing 737-800 (738) 4:37 Operates only on 2025-06-26
Codeshare flight, operated by United Airlines.(UA 1379)
Daily 08:30 Las Vegas Harry Reid (LAS) 3 16:07 Dulles, Washington (IAD)
OS 7864 Non-stop Boeing 737-900 (739) 4:37 Effective 2025-06-27 through 2025-07-31
Codeshare flight, operated by United Airlines.(UA 1379)
Daily 08:30 Las Vegas Harry Reid (LAS) 3 16:07 Dulles, Washington (IAD)
OS 7864 Non-stop Boeing 737 MAX 9 (7M9) 4:37 Effective 2025-08-01 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 1379)
Daily 08:30 Las Vegas Harry Reid (LAS) 3 16:09 Dulles, Washington (IAD)
OS 7864 Non-stop Boeing 737 MAX 9 (7M9) 4:39 Effective 2025-08-19 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 1228)
Daily 08:35 Las Vegas Harry Reid (LAS) 3 15:55 Dulles, Washington (IAD)
OS 7864 Non-stop Boeing 737 MAX 9 (7M9) 4:20 Effective 2025-10-26 through 2025-12-17
Codeshare flight, operated by United Airlines.(UA 1228)
Tue,Thu-Sat 08:35 Las Vegas Harry Reid (LAS) 3 15:55 Dulles, Washington (IAD)
OS 7864 Non-stop Boeing 737 MAX 9 (7M9) 4:20 Effective from 2026-01-06
Codeshare flight, operated by United Airlines.(UA 1228)
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Austrian flight OS 7864:
Las Vegas Harry Reid - Dulles, Washington
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Austrian OS7864
07:00
Las Vegas Harry Reid (LAS) 3

14:37
Dulles, Washington (IAD)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2497)
Duration: 4:37, non-stop
Boeing 737-800 (738)
Austrian OS7864
08:25
Las Vegas Harry Reid (LAS) 3

15:58
Dulles, Washington (IAD)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2497)
Duration: 4:33, non-stop
Boeing 737-900 (739)
Austrian OS7864
08:30
Las Vegas Harry Reid (LAS) 3

16:07
Dulles, Washington (IAD)
Operates only on 2025-06-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1379)
Duration: 4:37, non-stop
Boeing 737-800 (738)
Austrian OS7864
08:30
Las Vegas Harry Reid (LAS) 3

16:07
Dulles, Washington (IAD)
Effective 2025-06-27 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1379)
Duration: 4:37, non-stop
Boeing 737-900 (739)
Austrian OS7864
08:30
Las Vegas Harry Reid (LAS) 3

16:07
Dulles, Washington (IAD)
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1379)
Duration: 4:37, non-stop
Boeing 737 MAX 9 (7M9)
Austrian OS7864
08:30
Las Vegas Harry Reid (LAS) 3

16:09
Dulles, Washington (IAD)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1228)
Duration: 4:39, non-stop
Boeing 737 MAX 9 (7M9)
Austrian OS7864
08:35
Las Vegas Harry Reid (LAS) 3

15:55
Dulles, Washington (IAD)
Effective 2025-10-26 through 2025-12-17
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)
Austrian OS7864
08:35
Las Vegas Harry Reid (LAS) 3

15:55
Dulles, Washington (IAD)
Effective from 2026-01-06
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)
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  • OS 7864 is a domestic flight departing from the Las Vegas Harry Reid airport (LAS) and arriving at Dulles, Washington 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 4:39.
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