Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL8188

Live map

Live map filtered to UAL8188. 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
23:34 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
250° / 10 kt
Visibility
10 SM
Ceiling
FEW 400 ft, OVC 1,000 ft
Temp / Dew
14°C / 12°C
Altimeter
30.00 inHg

Obs: 2026-07-18T05:56:00.000Z

Raw METAR / TAF 
METAR KSFO 180556Z 25010KT 10SM FEW004 OVC010 14/12 A3000 RMK AO2 SLP160 T01440117 10189 20144 51013 $

TAF KSFO 180520Z 1806/1912 27010KT 6SM BR FEW005 OVC008 FM181800 28015G25KT P6SM SKC FM190300 29015KT P6SM SCT015 FM190600 28012KT P6SM OVC015

flight Live Traffic

flight_takeoff 400 Departures
flight_land 348 Arrivals

Arrival

SMF KSMF VFR

Sacramento International Airport

Sacramento, US

Local time
23:34 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
27 ft
Coordinates
38.6954, -121.5910

cloud Weather

Wind
170° / 10 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
18°C / 12°C
Altimeter
29.88 inHg

Obs: 2026-07-18T05:53:00.000Z

Raw METAR / TAF 
METAR KSMF 180553Z 17010KT 10SM CLR 18/12 A2988 RMK AO2 SLP116 T01830122 10333 20183 51016 $

TAF KSMF 180520Z 1806/1906 16012KT P6SM SKC FM181400 19007KT P6SM SKC

flight Live Traffic

flight_takeoff 121 Departures
flight_land 130 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-15 A5CC3C SFO → SMF Jul 15, 06:51 UTCJul 15, 07:12 UTC21m +57m +6m
2026-07-15 A5CC3C SFO → SMF Jul 15, 06:50 UTCJul 15, 07:15 UTC25m - -
2026-07-12 A445A4 SFO → BOS Jul 12, 20:05 UTCJul 13, 01:20 UTC5h 15m - -
2026-07-11 A4423A - Jul 11, 14:45 UTCJul 11, 18:30 UTC3h 45m - -
2026-07-10 AA3AE5 - Jul 10, 05:00 UTCJul 10, 05:10 UTC10m - -
2026-07-10 AA3AE5 KOA → LAX Jul 10, 04:58 UTCJul 10, 09:34 UTC4h 36m -197m -18m
2026-07-07 A9D5A2 DEN → IND Jul 7, 00:30 UTCJul 7, 02:25 UTC1h 55m - -
2026-07-06 A55785 IAD → BNA Jul 6, 13:08 UTCJul 6, 14:49 UTC1h 41m +38m -24m
2026-07-06 A55785 IAD → BNA Jul 6, 13:35 UTCJul 6, 14:50 UTC1h 15m - -
2026-07-03 A3D2E5 IAD → DEN Jul 3, 23:44 UTCJul 4, 02:40 UTC2h 56m +24m +5m
2026-07-03 A3D2E5 IAD → DEN Jul 3, 23:30 UTCJul 4, 02:45 UTC3h 15m - -
2026-06-23 AC64CF DEN → TUS Jun 23, 18:14 UTCJun 23, 19:50 UTC1h 35m - -
2026-06-22 A5EA5C - Jun 22, 05:15 UTCJun 22, 06:19 UTC1h 5m - -
2026-06-19 AA3AE2 SFO → ORD Jun 19, 06:24 UTCJun 19, 09:55 UTC3h 30m - -
2026-06-19 AA3AE2 SFO → ORD Jun 19, 06:23 UTCJun 19, 10:03 UTC3h 40m +48m +15m
2026-06-18 A5D68A IAD → BOS Jun 18, 17:41 UTCJun 18, 19:14 UTC1h 33m +46m +44m
2026-06-18 A5D68A IAD → BOS Jun 18, 17:50 UTCJun 18, 19:15 UTC1h 25m - -
2026-06-18 A837A5 - Jun 18, 02:20 UTCJun 18, 03:45 UTC1h 25m - -
2026-06-13 A58672 ORD → DEN Jun 13, 04:30 UTCJun 13, 05:05 UTC35m - -
2026-06-13 A58672 ORD → DEN Jun 13, 04:22 UTCJun 13, 05:02 UTC40m +107m -2m
2026-06-11 AC4E85 ORD → DEN Jun 11, 02:15 UTCJun 11, 03:15 UTC1h 0m - -
2026-06-10 A2B12D ORD → DEN Jun 10, 03:30 UTCJun 10, 05:00 UTC1h 30m - -
2026-06-09 A43E83 ORD → DEN Jun 9, 01:35 UTCJun 9, 03:45 UTC2h 10m - -
2026-06-08 A0B7B7 ORD → DEN Jun 8, 14:30 UTCJun 8, 18:20 UTC3h 50m - -
2026-06-08 A0B7B7 ORD → DEN Jun 8, 14:15 UTCJun 8, 18:15 UTC4h 0m +30m on time
2026-06-07 A57F04 ORD → DEN Jun 7, 01:30 UTCJun 7, 02:00 UTC30m - -
2026-06-02 A224FA ORD → DEN Jun 2, 19:15 UTCJun 2, 23:25 UTC4h 10m - -
2026-06-02 A52898 ORD → DEN Jun 2, 05:00 UTCJun 2, 05:45 UTC45m - -
2026-06-01 A44166 ORD → DEN Jun 1, 14:30 UTCJun 1, 18:30 UTC4h 0m - -
2026-05-23 AA568F ORD → DEN May 23, 01:50 UTCMay 23, 03:00 UTC1h 10m - -

Performance history

Flights tracked
62 showing last 30
Avg arrival delay
+3m
On-time arrival
88% 88% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 11
June 2026 18
May 2026 14
April 2026 19

UAL8188 frequently asked

Where does flight UAL8188 fly?
UAL8188 flies from SFO to SMF. View the full route page.
How long is flight UAL8188?
Based on observed flights, UAL8188 takes on average 2h 8m from takeoff to landing.
How often does UAL8188 fly?
UAL8188 has been observed flying several times a week in our tracking data. We've recorded 62 flights under this callsign.
Is flight UAL8188 usually on time?
Across recent flights, UAL8188 arrives with an average 3-minute delay. 88% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL8188?
UAL8188 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL8188 live?
Yes. When UAL8188 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.