Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3870

Operated by United Airlines

Live map

Live map filtered to UAL3870. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAB KIAB VFR

McConnell Air Force Base

Wichita, US

Local time
00:57 CDT
Timezone
America/Chicago
Type
Medium Airport
Elevation
1,371 ft
Coordinates
37.6219, -97.2682

cloud Weather

Wind
180° / 13 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
30°C / 16°C
Altimeter
29.90 inHg

Obs: 2026-08-30T04:55:00.000Z

Raw METAR / TAF 
METAR KIAB 300455Z AUTO 18013KT 10SM CLR 30/16 A2990 RMK AO2 SLP107 T03020158

TAF KIAB 300200Z 3002/3108 19012G18KT 9999 FEW250 WS020/20040KT QNH2987INS BECMG 3012/3014 19015G25KT 9999 FEW250 QNH2978INS TX38/3021Z TN27/3011Z

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
2026-07-23 A837A6 IAB → SFO Jul 23, 07:25 UTCJul 23, 08:40 UTC1h 15m - -
2026-07-21 A0B7D9 - Jul 21, 05:15 UTCJul 21, 07:45 UTC2h 30m - -
2026-07-21 A0B7D9 MLB → ORD Jul 21, 05:24 UTCJul 21, 07:26 UTC2h 2m +69m -1m
2026-07-14 A3EEB0 BEC → ORD Jul 14, 18:10 UTCJul 14, 19:45 UTC1h 35m - -
2026-07-14 A3EEB0 IAB → ORD Jul 14, 18:00 UTCJul 14, 19:26 UTC1h 26m -90m +12m
2026-07-10 A0B88D EWR → MLB Jul 10, 01:18 UTCJul 10, 03:19 UTC2h 1m +48m -8m
2026-07-10 A0B88D - Jul 10, 01:05 UTCJul 10, 03:25 UTC2h 20m - -
2026-07-08 AB5056 - Jul 8, 04:10 UTCJul 8, 07:15 UTC3h 5m - -
2026-07-08 AB5056 DEN → LCQ Jul 8, 03:53 UTCJul 8, 07:02 UTC3h 9m +283m -30m
2026-07-07 A3B268 IAD → MLB Jul 7, 05:45 UTCJul 7, 07:30 UTC1h 45m - -
2026-07-07 A3B268 IAD → MLB Jul 7, 05:45 UTCJul 7, 07:26 UTC1h 41m +195m -11m
2026-07-02 A2615E CEA → CLE Jul 2, 03:50 UTCJul 2, 05:40 UTC1h 50m - -
2026-07-02 A2615E IAB → CLE Jul 2, 03:50 UTCJul 2, 05:35 UTC1h 45m on time -7m
2026-06-26 AB5A1D - Jun 26, 07:55 UTCJun 26, 09:55 UTC2h 0m - -
2026-06-22 A5BCCD - Jun 22, 14:40 UTCJun 22, 18:09 UTC3h 30m - -
2026-06-22 A5BCCD MCO → DEN Jun 22, 14:45 UTCJun 22, 18:05 UTC3h 20m +45m -20m
2026-06-19 A0B88A ORD → MLB Jun 19, 03:44 UTCJun 19, 06:04 UTC2h 20m - -
2026-06-15 AC9923 - Jun 15, 19:55 UTCJun 15, 22:05 UTC2h 10m - -
2026-06-15 AC9923 AMA → IAD Jun 15, 19:51 UTCJun 15, 22:00 UTC2h 9m +951m -6m
2026-06-13 A76028 IAB → SFO Jun 13, 05:04 UTCJun 13, 05:57 UTC53m +19m -7m
2026-06-13 A76028 IAB → SFO Jun 13, 05:00 UTCJun 13, 05:55 UTC55m - -
2026-06-06 A9D5E4 IAB → SFO Jun 6, 05:55 UTCJun 6, 07:00 UTC1h 5m - -
2026-06-06 A9D5E4 IAB → SFO Jun 6, 06:00 UTCJun 6, 06:55 UTC55m on time +1m
2026-06-04 A31216 IAB → SFO Jun 4, 01:07 UTCJun 4, 02:31 UTC1h 24m +37m -12m
2026-06-04 A31216 IAB → SFO Jun 4, 00:30 UTCJun 4, 00:50 UTC20m - -
2026-06-01 A24CE0 IAB → SFO Jun 1, 04:55 UTCJun 1, 06:35 UTC1h 40m - -
2026-05-30 A47FDE IAB → SFO May 30, 16:00 UTCMay 30, 16:30 UTC30m - -
2026-05-29 A41E94 IAB → SFO May 29, 04:15 UTCMay 29, 04:55 UTC40m - -
2026-05-22 AA9B82 IAB → SFO May 22, 23:30 UTCMay 23, 01:55 UTC2h 25m - -
2026-05-21 A448F8 IAB → SFO May 21, 12:35 UTCMay 21, 14:50 UTC2h 15m - -

Performance history

Flights tracked
44 showing last 30
Avg arrival delay
-8m
On-time arrival
100% 100% on time
Aircraft used
19

Monthly activity 4 months

Month Flights tracked
July 2026 13
June 2026 13
May 2026 13
April 2026 5

UAL3870 frequently asked

Where does flight UAL3870 fly?
UAL3870 (United Airlines) flies from IAB to SFO. View the full route page.
How long is flight UAL3870?
Based on observed flights, UAL3870 takes on average 1h 50m from takeoff to landing.
How often does UAL3870 fly?
UAL3870 has been observed flying several times a week in our tracking data. We've recorded 44 flights under this callsign.
Is flight UAL3870 usually on time?
Across recent flights, UAL3870 arrives 8 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3870?
UAL3870 has been operated by 19 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3870 live?
Yes. When UAL3870 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.