Apparatus

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flight_takeoff Flight

UAL1791

Operated by UAL

Live map

Live map filtered to UAL1791. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
00:34 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 10 kt
Visibility
10 SM
Ceiling
OVC 1,000 ft
Temp / Dew
13°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-05-30T06:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300656Z 27010KT 10SM OVC010 13/11 A3011 RMK AO2 SLP195 T01280106

TAF KSFO 300520Z 3006/3112 26009KT P6SM OVC008 FM301000 27006KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 236 Departures
flight_land 160 Arrivals

Arrival

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
03:34 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 25,000 ft
Temp / Dew
13°C / 11°C
Altimeter
29.81 inHg

Obs: 2026-05-30T06:52:00.000Z

Raw METAR / TAF 
METAR KIAD 300652Z 00000KT 10SM FEW250 13/11 A2981 RMK AO2 SLP093 T01330106

TAF KIAD 300538Z 3006/3112 00000KT P6SM FEW250 FM300800 33007G15KT P6SM FEW250 FM301200 36011G21KT P6SM SKC FM302300 01011KT P6SM SKC FM310100 02006KT P6SM SKC FM310700 35003KT P6SM SKC

flight Live Traffic

flight_takeoff 32 Departures
flight_land 50 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A76F66 LAS → ORD May 29, 21:20 UTCMay 30, 02:15 UTC4h 55m - -
2026-05-29 A4493F LAS → ORD May 29, 18:50 UTCMay 29, 19:55 UTC1h 5m - -
2026-05-28 A44540 LAS → ORD May 28, 22:40 UTCMay 28, 23:30 UTC50m - -
2026-05-27 A76F87 LAS → ORD May 27, 21:25 UTCMay 28, 02:00 UTC4h 35m - -
2026-05-27 A448D3 LAS → ORD May 27, 19:00 UTCMay 27, 20:05 UTC1h 5m - -
2026-05-26 A76F87 LAS → ORD May 26, 21:55 UTCMay 27, 02:34 UTC4h 40m - -
2026-05-26 A4493A LAS → ORD May 26, 19:20 UTCMay 26, 20:24 UTC1h 5m - -
2026-05-25 A76F68 LAS → ORD May 25, 21:30 UTCMay 26, 02:00 UTC4h 30m - -
2026-05-25 A44917 LAS → ORD May 25, 19:15 UTCMay 25, 20:19 UTC1h 5m - -
2026-05-24 A76F68 LAS → ORD May 24, 21:25 UTCMay 24, 23:46 UTC2h 21m - -
2026-05-24 A448D6 LAS → ORD May 24, 18:45 UTCMay 24, 19:40 UTC55m - -
2026-05-23 A76F6C LAS → ORD May 23, 21:35 UTCMay 24, 02:10 UTC4h 35m - -
2026-05-22 A76F6C LAS → ORD May 22, 21:45 UTCMay 23, 02:20 UTC4h 35m - -
2026-05-22 A5D668 LAS → ORD May 22, 18:55 UTCMay 22, 19:50 UTC55m - -
2026-05-21 A4491D LAS → ORD May 21, 19:35 UTCMay 21, 20:30 UTC55m - -
2026-05-20 AA7F2B LAS → ORD May 20, 18:25 UTCMay 20, 19:25 UTC1h 0m - -
2026-05-19 A34358 LAS → ORD May 19, 20:25 UTCMay 20, 00:55 UTC4h 30m - -
2026-05-19 A5D2D4 LAS → ORD May 19, 17:55 UTCMay 19, 18:50 UTC55m - -
2026-05-18 A2B810 LAS → ORD May 18, 19:25 UTCMay 18, 20:20 UTC55m - -
2026-05-17 A4455E LAS → ORD May 17, 18:30 UTCMay 17, 19:30 UTC1h 0m - -
2026-05-16 A92362 LAS → ORD May 16, 18:30 UTCMay 16, 19:30 UTC1h 0m - -
2026-05-15 A2F200 LAS → ORD May 15, 20:30 UTCMay 16, 00:55 UTC4h 25m - -
2026-05-15 A81001 LAS → ORD May 15, 17:50 UTCMay 15, 19:00 UTC1h 10m - -
2026-05-14 A4453E LAS → ORD May 14, 18:35 UTCMay 14, 19:35 UTC1h 0m - -
2026-05-13 A59601 LAS → ORD May 13, 22:20 UTCMay 14, 02:35 UTC4h 15m - -
2026-05-13 A2DFFE LAS → ORD May 13, 18:55 UTCMay 13, 19:55 UTC1h 0m - -
2026-05-13 A2DFFE LAS → ORD May 13, 18:19 UTCMay 13, 19:48 UTC1h 29m +64m +76m
2026-05-12 A5D68A LAS → ORD May 12, 17:55 UTCMay 12, 18:45 UTC50m - -
2026-05-11 A46D26 LAS → ORD May 11, 18:55 UTCMay 11, 19:45 UTC50m - -
2026-05-10 A2A2DF LAS → ORD May 10, 20:25 UTCMay 11, 00:45 UTC4h 20m - -

Performance history

Flights tracked
94 showing last 30
Avg arrival delay
+76m
On-time arrival
0% 0% on time
Aircraft used
26

Monthly activity 2 months

Month Flights tracked
May 2026 43
April 2026 51

UAL1791 frequently asked

Where does flight UAL1791 fly?
UAL1791 (UAL) flies from SFO to IAD. View the full route page.
How long is flight UAL1791?
Based on observed flights, UAL1791 takes on average 2h 13m from takeoff to landing.
How often does UAL1791 fly?
UAL1791 has been observed flying several times a week in our tracking data. We've recorded 94 flights under this callsign.
Is flight UAL1791 usually on time?
Across recent flights, UAL1791 arrives with an average 76-minute delay. 0% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1791?
UAL1791 has been operated by 26 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1791 live?
Yes. When UAL1791 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.