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
06:01 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
125 ft
Coordinates
33.9425, -118.4080

cloud Weather

Wind
360° / 5 kt
Visibility
9 SM
Ceiling
FEW 1,800 ft, SCT 2,200 ft, OVC 3,500 ft
Temp / Dew
15°C / 13°C
Altimeter
29.83 inHg

Obs: 2026-10-12T11:53:00.000Z

Raw METAR / TAF 
METAR KLAX 121153Z 36005KT 9SM FEW018 SCT022 OVC035 15/13 A2983 RMK AO2 RAB1055E07B34E47 SLP101 P0000 60021 70021 T01500128 10189 20150 51000 $

TAF KLAX 121149Z 1212/1318 30007KT P6SM BKN025 TEMPO 1212/1216 5SM -SHRA FM121800 24012KT P6SM SCT035 FM130100 26010KT P6SM SKC FM130800 23005KT P6SM SKC

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 231 Departures
flight_land 266 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
06:01 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
CLR
Temp / Dew
6°C / 4°C
Altimeter
30.02 inHg

Obs: 2026-10-12T11:53:00.000Z

Raw METAR / TAF 
METAR KSEA 121153Z 00000KT 10SM CLR 06/04 A3002 RMK AO2 SLP173 T00560039 10111 20056 53006

TAF KSEA 121121Z 1212/1318 13005KT P6SM SKC FM121600 VRB04KT P6SM SKC FM121800 26006KT P6SM SKC FM130300 19004KT P6SM SCT250 FM131100 17005KT P6SM OVC100

flight Live Traffic

flight_takeoff 101 Departures
flight_land 135 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.