Apparatus

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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 MVFR

Los Angeles International Airport

Los Angeles, US

Local time
01:16 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
125 ft
Coordinates
33.9425, -118.4080

cloud Weather

Wind
240° / 8 kt
Visibility
10 SM
Ceiling
FEW 800 ft, BKN 1,300 ft
Temp / Dew
20°C / 18°C
Altimeter
29.99 inHg

Obs: 2026-07-14T07:53:00.000Z

Raw METAR / TAF 
METAR KLAX 140753Z 24008KT 10SM FEW008 BKN013 20/18 A2999 RMK AO2 SLP153 T02000178 402390194 $

TAF KLAX 140747Z 1408/1512 VRB03KT P6SM SCT200 FM140900 VRB03KT P6SM OVC006 FM141700 26006KT P6SM SCT008 FM141900 26012KT P6SM SCT250 FM150300 26008KT P6SM SCT250 FM150500 24005KT P6SM BKN008 FM151000 VRB03KT P6SM OVC006

warning FAA Advisories

  • Closed: !LAX 05/277 LAX AD AP CLSD TO NON SKED TRANSIENT GA ACFT EXC 24HR PPR CTC ATLANTIC AVIATION 310-258-9884 OR SIGNATURE AVIATION 310-410-9605 2605271826-2705281600 (May 27 at 18:26 UTC. – May 28 at 16:00 UTC.)

flight Live Traffic

flight_takeoff 330 Departures
flight_land 310 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
01:16 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
340° / 7 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
16°C / 6°C
Altimeter
30.06 inHg

Obs: 2026-07-14T07:53:00.000Z

Raw METAR / TAF 
METAR KSEA 140753Z 34007KT 10SM CLR 16/06 A3006 RMK AO2 SLP184 T01560061 402670117 $

TAF KSEA 140520Z 1406/1512 35007KT P6SM FEW250 FM140800 01004KT P6SM SKC FM141400 34006KT P6SM SKC FM141900 31007KT P6SM SKC FM150300 34006KT P6SM SKC

flight Live Traffic

flight_takeoff 538 Departures
flight_land 413 Arrivals

Recent history last 20

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
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
20
Avg arrival delay
-5m
On-time arrival
100% 100% on time
Aircraft used
10

Monthly activity 4 months

Month Flights tracked
July 2026 4
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 48m 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 20 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 10 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.