Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL388

Operated by United Airlines

Live map

Live map filtered to UAL388. Shown when the flight is currently airborne.

Route airports View route page →

Departure

LAX KLAX VFR

Los Angeles International Airport

Los Angeles, US

Local time
03:18 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
125 ft
Coordinates
33.9425, -118.4080

cloud Weather

Wind
260° / 4 kt
Visibility
10 SM
Ceiling
FEW 800 ft, FEW 14,000 ft, SCT 22,000 ft, BKN 28,000 ft
Temp / Dew
24°C / 21°C
Altimeter
29.83 inHg

Obs: 2026-08-28T09:53:00.000Z

Raw METAR / TAF 
METAR KLAX 280953Z 26004KT 10SM FEW008 FEW140 SCT220 BKN280 24/21 A2983 RMK AO2 SLP098 T02390206 $

TAF KLAX 280520Z 2806/2912 VRB03KT P6SM BKN150 FM281700 26006KT P6SM BKN150 FM281900 26012KT P6SM BKN150 FM290300 26006KT P6SM SCT250

flight Live Traffic

flight_takeoff 178 Departures
flight_land 161 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
03:18 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 1,500 ft, FEW 5,000 ft, BKN 23,000 ft
Temp / Dew
15°C / 12°C
Altimeter
30.07 inHg

Obs: 2026-08-28T09:53:00.000Z

Raw METAR / TAF 
METAR KSEA 280953Z 00000KT 10SM FEW015 FEW050 BKN230 15/12 A3007 RMK AO2 SLP188 T01500122 $

TAF KSEA 280520Z 2806/2912 21006KT P6SM SCT040 BKN080 FM281000 19005KT P6SM BKN022 FM281300 18003KT P6SM OVC012 FM281900 22005KT P6SM BKN025 OVC050 FM282100 24006KT P6SM BKN050 FM290200 30006KT P6SM BKN050 FM290800 19007KT P6SM -SHRA OVC025

flight Live Traffic

flight_takeoff 189 Departures
flight_land 138 Arrivals

Recent history last 24

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 A12AE9 LAX → SEA Jul 25, 14:53 UTCJul 25, 18:59 UTC4h 6m +22m -4m
2026-07-25 A12AE9 LAX → SEA Jul 25, 14:50 UTCJul 25, 19:05 UTC4h 15m - -
2026-07-18 A445AD LAX → SEA Jul 18, 20:45 UTCJul 18, 21:05 UTC20m - -
2026-07-18 A445AD LAX → SEA Jul 18, 16:50 UTCJul 18, 19:50 UTC3h 0m - -
2026-07-11 A12F75 LAX → SEA Jul 11, 19:40 UTCJul 11, 19:50 UTC10m - -
2026-07-11 A12F75 LAX → SEA Jul 11, 15:00 UTCJul 11, 18:55 UTC3h 55m - -
2026-07-04 A12E80 LAX → SEA Jul 4, 20:10 UTCJul 4, 20:20 UTC10m - -
2026-07-04 A12E80 LAX → SEA Jul 4, 16:10 UTCJul 4, 16:45 UTC35m - -
2026-06-27 A449A4 LAX → SEA Jun 27, 14:49 UTCJun 27, 22:20 UTC7h 30m - -
2026-06-13 A12AE4 LAX → SEA Jun 13, 16:25 UTCJun 13, 22:55 UTC6h 30m - -
2026-05-30 A44964 LAX → SEA May 30, 14:53 UTCMay 30, 18:51 UTC3h 58m +22m on time
2026-05-30 A44964 LAX → SEA May 30, 14:40 UTCMay 30, 16:20 UTC1h 40m - -
2026-05-23 A5D28C LAX → SEA May 23, 14:53 UTCMay 23, 18:52 UTC3h 59m +22m -6m
2026-05-23 A5D28C LAX → SEA May 23, 14:45 UTCMay 23, 17:50 UTC3h 5m - -
2026-05-16 AA7F06 LAX → SEA May 16, 14:53 UTCMay 16, 19:10 UTC4h 17m +22m -11m
2026-05-16 AA7F06 LAX → SEA May 16, 14:46 UTCMay 16, 15:16 UTC30m - -
2026-05-09 AA7E9A LAX → SEA May 9, 15:05 UTCMay 9, 18:05 UTC3h 0m - -
2026-05-09 AA7E9A LAX → SEA May 9, 15:07 UTCMay 9, 19:06 UTC3h 59m +36m -11m
2026-05-02 A5D713 LAX → SEA May 2, 18:40 UTCMay 2, 18:55 UTC15m - -
2026-05-02 A5D713 LAX → SEA May 2, 14:40 UTCMay 2, 15:10 UTC30m - -
2026-04-25 A5D713 LAX → SEA Apr 25, 18:50 UTCApr 25, 19:10 UTC20m - -
2026-04-25 A5D713 LAX → SEA Apr 25, 14:45 UTCApr 25, 17:55 UTC3h 10m - -
2026-04-18 AA7F23 LAX → SEA Apr 18, 14:53 UTCApr 18, 19:02 UTC4h 9m +22m +4m
2026-04-18 AA7F23 LAX → SEA Apr 18, 14:40 UTCApr 18, 18:55 UTC4h 15m - -

Performance history

Flights tracked
24
Avg arrival delay
-5m
On-time arrival
100% 100% on time
Aircraft used
12

Monthly activity 4 months

Month Flights tracked
July 2026 8
June 2026 2
May 2026 10
April 2026 4

UAL388 frequently asked

Where does flight UAL388 fly?
UAL388 (United Airlines) flies from LAX to SEA. View the full route page.
How long is flight UAL388?
Based on observed flights, UAL388 takes on average 2h 49m from takeoff to landing.
How often does UAL388 fly?
UAL388 has been observed flying several times a week in our tracking data. We've recorded 24 flights under this callsign.
Is flight UAL388 usually on time?
Across recent flights, UAL388 arrives 5 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL388?
UAL388 has been operated by 12 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL388 live?
Yes. When UAL388 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.