Apparatus

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flight_takeoff Flight

UAL1948

Operated by United Airlines

Live map

Live map filtered to UAL1948. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
00:57 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
200° / 4 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
28°C / 24°C
Altimeter
30.00 inHg

Obs: 2026-08-30T04:53:00.000Z

Raw METAR / TAF 
METAR KIAH 300453Z 20004KT 10SM CLR 28/24 A3000 RMK AO2 SLP157 T02830239 $

TAF KIAH 300243Z 3003/3106 16008KT P6SM FEW060 FM300500 VRB05KT P6SM FEW030 FM302000 15008KT P6SM SCT050

flight Live Traffic

flight_takeoff 156 Departures
flight_land 152 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
22:57 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 17 kt
Visibility
10 SM
Ceiling
FEW 1,000 ft
Temp / Dew
16°C / 12°C
Altimeter
29.96 inHg

Obs: 2026-08-30T04:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300456Z 27017KT 10SM FEW010 16/12 A2996 RMK AO2 SLP144 T01610122 $

TAF KSFO 300520Z 3006/3112 28016G25KT P6SM SKC FM300700 28010KT P6SM FEW009 TEMPO 3011/3015 BKN009 FM301900 27015G25KT P6SM FEW012 FM310400 27010KT P6SM FEW010 FM311000 27008KT P6SM BKN010

flight Live Traffic

flight_takeoff 377 Departures
flight_land 283 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A4491C IAH → SFO Jul 26, 18:20 UTCJul 26, 20:20 UTC2h 0m - -
2026-07-25 A448F6 IAH → SFO Jul 25, 18:30 UTCJul 25, 23:20 UTC4h 50m - -
2026-07-24 A448D1 IAH → SFO Jul 24, 18:15 UTCJul 24, 23:05 UTC4h 50m - -
2026-07-23 AA7EC2 IAH → SFO Jul 23, 18:30 UTCJul 23, 23:25 UTC4h 55m - -
2026-07-22 A5D713 IAH → SFO Jul 22, 19:30 UTCJul 23, 00:15 UTC4h 45m - -
2026-07-21 A4495D IAH → SFO Jul 21, 19:05 UTCJul 22, 00:05 UTC5h 0m - -
2026-07-20 A448F5 IAH → SFO Jul 20, 18:10 UTCJul 20, 23:10 UTC5h 0m - -
2026-07-19 AA7F27 IAH → SFO Jul 19, 18:10 UTCJul 19, 23:15 UTC5h 5m - -
2026-07-18 AA7F28 IAH → SFO Jul 18, 20:35 UTCJul 19, 01:35 UTC5h 0m - -
2026-07-17 A12A7B CUN → SFO Jul 17, 18:16 UTCJul 17, 23:19 UTC5h 3m +19m -6m
2026-07-17 A12A7B CUN → SFO Jul 17, 18:19 UTCJul 17, 23:20 UTC5h 0m - -
2026-07-16 A44917 - Jul 16, 18:25 UTCJul 16, 23:25 UTC5h 0m - -
2026-07-15 A4493F - Jul 15, 19:55 UTCJul 16, 01:05 UTC5h 10m - -
2026-07-14 A44918 - Jul 14, 18:15 UTCJul 14, 23:15 UTC4h 59m - -
2026-07-13 A12F07 - Jul 13, 18:20 UTCJul 13, 23:15 UTC4h 55m - -
2026-07-12 A12F73 - Jul 12, 18:10 UTCJul 12, 23:05 UTC4h 55m - -
2026-07-11 A5D668 CUN → SFO Jul 11, 18:20 UTCJul 11, 23:05 UTC4h 45m - -
2026-07-10 AA7F01 CUN → SFO Jul 10, 18:16 UTCJul 10, 23:22 UTC5h 6m +19m +2m
2026-07-10 AA7F01 - Jul 10, 18:25 UTCJul 10, 20:15 UTC1h 50m - -
2026-07-09 A44964 CUN → SFO Jul 9, 18:16 UTCJul 9, 23:09 UTC4h 53m +19m -4m
2026-07-09 A44964 CUN → SFO Jul 9, 18:10 UTCJul 9, 23:10 UTC5h 0m - -
2026-07-08 A448F8 - Jul 8, 18:10 UTCJul 8, 23:10 UTC5h 0m - -
2026-07-07 A12EE7 CUN → SFO Jul 7, 18:20 UTCJul 7, 23:25 UTC5h 5m - -
2026-07-06 A4495B CUN → SFO Jul 6, 18:10 UTCJul 6, 23:30 UTC5h 20m - -
2026-07-05 A44984 - Jul 5, 18:20 UTCJul 5, 23:25 UTC5h 5m - -
2026-07-04 A449A4 CUN → SFO Jul 4, 19:20 UTCJul 5, 00:40 UTC5h 20m - -
2026-07-03 A449A3 - Jul 3, 18:15 UTCJul 3, 23:30 UTC5h 15m - -
2026-07-02 A448D5 CUN → SFO Jul 2, 18:25 UTCJul 2, 23:40 UTC5h 15m - -
2026-07-01 A4493D CUN → SFO Jul 1, 18:40 UTCJul 1, 23:45 UTC5h 5m - -
2026-06-30 A448D5 CUN → SFO Jun 30, 18:10 UTCJun 30, 23:15 UTC5h 5m - -

Performance history

Flights tracked
138 showing last 30
Avg arrival delay
-3m
On-time arrival
100% 100% on time
Aircraft used
26

Monthly activity 4 months

Month Flights tracked
July 2026 29
June 2026 37
May 2026 35
April 2026 37

UAL1948 frequently asked

Where does flight UAL1948 fly?
UAL1948 (United Airlines) flies from IAH to SFO. View the full route page.
How long is flight UAL1948?
Based on observed flights, UAL1948 takes on average 4h 49m from takeoff to landing.
How often does UAL1948 fly?
UAL1948 has been observed flying daily in our tracking data. We've recorded 138 flights under this callsign.
Is flight UAL1948 usually on time?
Across recent flights, UAL1948 arrives 3 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1948?
UAL1948 has been operated by 26 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1948 live?
Yes. When UAL1948 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.