Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1870

Operated by United Airlines

Live map

Live map filtered to UAL1870. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
13:52 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 4,000 ft, FEW 25,000 ft
Temp / Dew
34°C / 22°C
Altimeter
30.04 inHg

Obs: 2026-08-28T17:53:00.000Z

Raw METAR / TAF 
METAR KIAH 281753Z 00000KT 10SM FEW040 FEW250 34/22 A3004 RMK AO2 SLP169 TCU DSNT SE T03440222 10344 20233 58005

TAF KIAH 281720Z 2818/2924 VRB05KT P6SM SCT030 SCT250 FM282000 13007KT P6SM VCSH SCT050 SCT250 PROB30 2821/2824 VRB15G25KT -TSRA BKN050CB FM290000 VRB05KT P6SM FEW030

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
11:52 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
300° / 13 kt
Visibility
10 SM
Ceiling
FEW 400 ft, SCT 11,000 ft, OVC 20,000 ft
Temp / Dew
17°C / 14°C
Altimeter
30.02 inHg

Obs: 2026-08-28T17:56:00.000Z

Raw METAR / TAF 
METAR KSFO 281756Z 30013KT 10SM FEW004 SCT110 OVC200 17/14 A3002 RMK AO2 SLP164 60000 T01670139 10167 20150 51007

TAF KSFO 281739Z 2818/2924 30012KT P6SM VCSH BKN120 FM282000 29016KT P6SM VCSH BKN100 FM290700 29010KT P6SM FEW012 FM291000 29008KT P6SM SCT012 FM291800 29015KT P6SM FEW015

flight Live Traffic

flight_takeoff 142 Departures
flight_land 240 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 A5CF82 IAH → SFO Jul 25, 22:05 UTCJul 25, 22:30 UTC25m - -
2026-07-24 A12798 IAH → SFO Jul 24, 21:40 UTCJul 24, 22:10 UTC30m - -
2026-07-24 A12798 IAH → SFO Jul 24, 21:39 UTCJul 24, 22:11 UTC32m +14m -13m
2026-07-23 A12797 IAH → SFO Jul 23, 23:05 UTCJul 23, 23:30 UTC25m - -
2026-07-23 A7598C IAH → SFO Jul 23, 01:50 UTCJul 23, 02:10 UTC20m - -
2026-07-23 A7598C IAH → SFO Jul 23, 01:24 UTCJul 23, 02:12 UTC48m +239m +219m
2026-07-21 A123BF IAH → SFO Jul 21, 21:40 UTCJul 21, 22:10 UTC30m - -
2026-07-20 A2B156 - Jul 20, 21:55 UTCJul 20, 22:25 UTC30m - -
2026-07-19 A12799 - Jul 19, 21:45 UTCJul 19, 22:10 UTC25m - -
2026-07-18 A123BF - Jul 18, 21:45 UTCJul 18, 22:05 UTC20m - -
2026-07-17 A43EA7 - Jul 17, 22:15 UTCJul 17, 22:40 UTC25m - -
2026-07-16 A44258 - Jul 16, 22:00 UTCJul 16, 22:30 UTC30m - -
2026-07-15 A5CC3C - Jul 15, 22:25 UTCJul 15, 22:50 UTC25m - -
2026-07-14 A12796 - Jul 14, 22:00 UTCJul 14, 22:25 UTC25m - -
2026-07-13 A12758 - Jul 13, 23:00 UTCJul 13, 23:25 UTC25m - -
2026-07-12 AA739E - Jul 12, 22:55 UTCJul 12, 23:25 UTC30m - -
2026-07-11 A5CC19 - Jul 11, 22:10 UTCJul 11, 22:35 UTC25m - -
2026-07-11 A5CC19 EGE → DEN Jul 11, 21:44 UTCJul 11, 22:33 UTC49m +19m +9m
2026-07-11 A7598C - Jul 11, 01:35 UTCJul 11, 01:55 UTC20m - -
2026-07-09 A2B17A - Jul 9, 23:30 UTCJul 10, 00:00 UTC30m - -
2026-07-08 A5CF66 - Jul 8, 23:10 UTCJul 8, 23:30 UTC20m - -
2026-07-08 A5CF66 EGE → DEN Jul 8, 21:39 UTCJul 8, 23:45 UTC2h 6m +14m -15m
2026-07-07 A2B10F - Jul 7, 23:10 UTCJul 7, 23:40 UTC30m - -
2026-07-06 A5CC15 - Jul 6, 22:25 UTCJul 6, 22:55 UTC30m - -
2026-07-05 A2B4EA - Jul 5, 22:35 UTCJul 5, 22:55 UTC20m - -
2026-07-03 A12755 - Jul 3, 21:50 UTCJul 3, 22:10 UTC20m - -
2026-07-02 A2B110 - Jul 2, 22:15 UTCJul 2, 22:40 UTC25m - -
2026-07-01 A12798 - Jul 1, 21:35 UTCJul 1, 22:00 UTC25m - -
2026-07-01 A12798 EGE → DEN Jul 1, 21:39 UTCJul 1, 21:58 UTC19m +14m -22m
2026-07-01 A5CF3F - Jul 1, 02:45 UTCJul 1, 03:25 UTC40m - -

Performance history

Flights tracked
149 showing last 30
Avg arrival delay
+36m
On-time arrival
80% 80% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 31
June 2026 37
May 2026 43
April 2026 38

UAL1870 frequently asked

Where does flight UAL1870 fly?
UAL1870 (United Airlines) flies from IAH to SFO. View the full route page.
How long is flight UAL1870?
Based on observed flights, UAL1870 takes on average 31m from takeoff to landing.
How often does UAL1870 fly?
UAL1870 has been observed flying several times a week in our tracking data. We've recorded 149 flights under this callsign.
Is flight UAL1870 usually on time?
Across recent flights, UAL1870 arrives with an average 36-minute delay. 80% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1870?
UAL1870 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1870 live?
Yes. When UAL1870 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.