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UAL1791

SFO → IAD · Boeing 737-300 · United Airlines

For travellers

Departure · San Francisco (SFO)

Terminal T3 · Gate F17
Scheduled 02 Oct 13:50 · Departed 02 Oct 13:52
Board status: Departed
Airborne since 02 Oct 14:19 (ADS-B)

Arrival · Washington, DC (IAD)

Gate C12 · Baggage belt 3
Scheduled 02 Oct 22:07 · Landed 02 Oct 21:58 · early
Board status: InGate
Landed 02 Oct 21:58 (ADS-B)

Board data from mwaa, sfo, updated 342 min ago; times local to each airport.

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Scheduled departure
2026-10-02 20:50 UTC
Departed
2026-10-02 21:19 UTC
Arrival
Washington Dulles International Airport (IAD) — Washington, DC, United States
Scheduled arrival
2026-10-03 02:07 UTC
Estimated arrival
2026-10-03 02:00 UTC
Also flies as
UA1791
Codeshares
NZ9163, VA8380
Distance flown
3996 km
Straight-line distance
3883 km
Approach distance
104 km

Aircraft

Registration
N78866
Type
Boeing 737-300
Seats
213 total (24 Business, 189 Economy)
CO2 (EMEP est., total)
137.6 t (1207 kg/pax Business, 576 kg/pax Economy)

Altitude & speed

Max altitude
35,025 ft
Max ground speed
528 kt
Tracked
4h 39m · 3,985 km
Altitude (ft, max 35,025)
018,91437,8270m1h 0m2h 0m3h 0m4h 0m
Ground speed (kt, max 528)
02855700m1h 0m2h 0m3h 0m4h 0m
Altitude (ft, max 35,025)
018,91437,8270m2h 0m4h 0m
Ground speed (kt, max 528)
02855700m2h 0m4h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-02 21:19 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N78866 Boeing 737-300 Completed 3996 km
2026-10-02 18:48 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N24202 Boeing 737-800 Completed 756 km
2026-10-01 21:02 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N56859 Boeing 737-300 Completed 4024 km
2026-10-01 18:46 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N12225 Boeing 737-800 Completed 744 km
2026-09-30 20:43 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N69830 Boeing 737-900 Completed (landing confirmed by airport data) 4017 km
2026-09-30 17:22 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N17229 Boeing 737-800 Completed 742 km
2026-09-29 21:21 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N37473 Boeing 737 MAX 9 Completed 3980 km
2026-09-29 16:59 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N76516 Boeing 737-800 Completed 752 km
2026-09-28 21:10 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N37538 Boeing 737 MAX 9 Completed 3977 km
2026-09-28 18:00 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N26215 Boeing 737-800 Completed 748 km
2026-09-27 21:40 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N67815 Boeing 737-900 Completed 3979 km
2026-09-27 18:22 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N76265 Boeing 737-800 Completed 823 km
2026-09-26 20:48 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N37560 Boeing 737 MAX 9 Completed 3975 km
2026-09-26 17:35 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N435UA Airbus A320 233 Completed 743 km
2026-09-25 21:02 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N66803 Boeing 737-900 Completed 4016 km
2026-09-25 17:35 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N37305 Boeing 737 MAX 8 Completed 899 km
2026-09-24 21:16 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N37507 Boeing 737 MAX 9 Completed 4022 km
2026-09-24 17:03 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N37274 Boeing 737-800 Completed 773 km
2026-09-23 21:51 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N17455 Boeing 737 MAX 9 Completed 3983 km
2026-09-23 17:45 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N37551 Boeing 737 MAX 9 Completed 745 km
2026-09-22 17:12 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N77575 Boeing 737 MAX 9 Completed 783 km
2026-09-20 21:01 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N68807 Boeing 737-900 Completed 3996 km
2026-09-20 17:17 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N76528 Boeing 737-800 Completed 769 km
2026-09-19 20:55 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N17402 Boeing 737 MAX 9 Completed 4204 km
2026-09-19 16:59 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N27463 Boeing 737 MAX 9 Completed 810 km
2026-09-18 21:19 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N17431 Boeing 737 MAX 9 Completed 4148 km
2026-09-18 17:04 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N24212 Boeing 737-800 Completed 798 km
2026-09-17 22:07 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N68836 Boeing 737-900 Completed 4290 km
2026-09-17 18:26 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N77536 Boeing 737-800 Completed 831 km
2026-09-16 20:57 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N63890 Boeing 737-900 Completed 4292 km
2026-09-16 17:50 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N37447 Boeing 737 MAX 9 Completed 790 km
2026-09-15 17:22 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 B737-M9 Boeing 737 MAX 9 Completed 832 km
2026-09-14 20:57 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N61898 Boeing 737-900 Completed 4173 km
2026-09-14 16:42 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N24211 Boeing 737-800 Completed 849 km
2026-09-13 20:53 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N63890 Boeing 737-900 Completed 4354 km
2026-09-13 16:45 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N54241 Boeing 737-800 Completed 820 km
2026-09-12 20:57 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N37447 Boeing 737 MAX 9 Completed 4183 km
2026-09-12 17:28 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N62849 Boeing 737-900 Completed 790 km
2026-09-11 22:15 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N37525 Boeing 737 MAX 9 Completed 4283 km
2026-09-11 16:58 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N77295 Boeing 737-800 Completed 784 km
2026-09-10 16:39 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N12221 Boeing 737-800 Completed 860 km
2026-09-09 17:25 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N77543 Boeing 737 MAX 9 Completed 776 km
2026-09-07 20:57 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N27519 Boeing 737 MAX 9 Completed 4186 km
2026-09-07 16:59 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N76529 Boeing 737-800 Completed 802 km
2026-09-06 20:52 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N57416 Boeing 737 MAX 9 Completed 4089 km
2026-09-06 17:47 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N78511 Boeing 737-800 Completed 780 km
2026-09-05 21:22 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N37445 Boeing 737 MAX 9 Completed 4089 km
2026-09-05 17:00 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N17461 Boeing 737 MAX 9 Completed 832 km
2026-09-04 21:44 UTC UAL1791 SFO → IAD
San Francisco → Washington, DC
 N67812 Boeing 737-900 Completed 3986 km
2026-09-04 16:38 UTC UAL1791 SAN → SFO
San Diego → San Francisco
 N76519 Boeing 737-800 Completed 761 km

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