Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL311

Operated by United Airlines

Live map

Live map filtered to UAL311. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS IFR

Boston Logan International Airport

Boston, US

Local time
06:11 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
240° / 5 kt
Visibility
10 SM
Ceiling
BKN 900 ft, BKN 15,000 ft
Temp / Dew
22°C / 21°C
Altimeter
29.97 inHg

Obs: 2026-08-28T09:54:00.000Z

Raw METAR / TAF 
METAR KBOS 280954Z 24005KT 10SM BKN009 BKN150 22/21 A2997 RMK AO2 SLP150 T02220206

TAF KBOS 280915Z 2809/2912 19005KT P6SM BKN007 OVC150 FM281200 19007KT P6SM SCT025 FM281500 12005KT P6SM BKN050 PROB30 2818/2821 4SM TSRA OVC040CB FM282300 21004KT P6SM BKN100 FM290300 33007KT P6SM SCT090

flight Live Traffic

flight_takeoff 303 Departures
flight_land 283 Arrivals

Arrival

LAX KLAX VFR

Los Angeles International Airport

Los Angeles, US

Local time
03:11 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 171 Departures
flight_land 153 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A8E24D BOS → LAX Jul 26, 08:35 UTCJul 26, 16:00 UTC7h 25m - -
2026-07-25 A16EE0 BOS → LAX Jul 25, 08:15 UTCJul 25, 15:30 UTC7h 15m - -
2026-07-25 A16EE0 BOS → LAX Jul 25, 07:57 UTCJul 25, 15:26 UTC7h 29m +7m -11m
2026-07-24 A11FA3 BOS → LAX Jul 24, 08:10 UTCJul 24, 15:15 UTC7h 5m - -
2026-07-23 A5EF0E BOS → LAX Jul 23, 08:10 UTCJul 23, 15:10 UTC7h 0m - -
2026-07-22 A146F9 BOS → LAX Jul 22, 10:20 UTCJul 22, 17:25 UTC7h 5m - -
2026-07-21 A146F9 BOS → LAX Jul 21, 08:10 UTCJul 21, 15:40 UTC7h 30m - -
2026-07-21 A146F9 BOS → LAX Jul 21, 07:57 UTCJul 21, 15:41 UTC7h 44m +7m +1m
2026-07-18 A146F9 BOS → LAX Jul 18, 08:20 UTCJul 18, 15:35 UTC7h 15m - -
2026-07-17 A081CA DUB → IAD Jul 17, 09:25 UTCJul 17, 16:29 UTC7h 5m - -
2026-07-16 A11F5A - Jul 16, 08:55 UTCJul 16, 14:29 UTC5h 35m - -
2026-07-16 A11F5A DUB → IAD Jul 16, 08:52 UTCJul 16, 16:14 UTC7h 22m +62m -11m
2026-07-15 A05A03 - Jul 15, 08:05 UTCJul 15, 15:35 UTC7h 30m - -
2026-07-14 A3C3E0 DUB → IAD Jul 14, 08:05 UTCJul 14, 15:10 UTC7h 5m - -
2026-07-14 A3C3E0 DUB → IAD Jul 14, 08:07 UTCJul 14, 15:18 UTC7h 11m +17m -9m
2026-07-13 A11F5A DUB → IAD Jul 13, 08:35 UTCJul 13, 15:35 UTC7h 0m - -
2026-07-12 A3C3E0 DUB → IAD Jul 12, 08:01 UTCJul 12, 15:10 UTC7h 10m - -
2026-07-12 A3C3E0 DUB → IAD Jul 12, 07:57 UTCJul 12, 15:11 UTC7h 14m +7m -11m
2026-07-11 A16EC2 DUB → IAD Jul 11, 08:30 UTCJul 11, 15:50 UTC7h 20m - -
2026-07-10 A16EC2 DUB → IAD Jul 10, 08:50 UTCJul 10, 16:20 UTC7h 30m - -
2026-07-09 A77C11 DUB → IAD Jul 9, 08:20 UTCJul 9, 15:30 UTC7h 10m - -
2026-07-08 A16EC2 - Jul 8, 12:55 UTCJul 8, 15:20 UTC2h 25m - -
2026-07-08 A16EC2 - Jul 8, 08:10 UTCJul 8, 08:55 UTC45m - -
2026-07-07 A5EF0E DUB → IAD Jul 7, 08:25 UTCJul 7, 15:30 UTC7h 5m - -
2026-07-06 A5EF0E - Jul 6, 11:15 UTCJul 6, 18:35 UTC7h 20m - -
2026-07-05 A5EF0E - Jul 5, 10:40 UTCJul 5, 17:50 UTC7h 10m - -
2026-07-04 A0A8DA DUB → IAD Jul 4, 07:55 UTCJul 4, 15:15 UTC7h 20m - -
2026-07-03 A0A91E - Jul 3, 16:15 UTCJul 3, 16:20 UTC5m - -
2026-07-03 A0A91E DUB → IAD Jul 3, 08:40 UTCJul 3, 16:20 UTC7h 40m - -
2026-07-03 A0A91E DUB → IAD Jul 3, 08:32 UTCJul 3, 15:58 UTC7h 26m +42m -12m

Performance history

Flights tracked
143 showing last 30
Avg arrival delay
-9m
On-time arrival
100% 100% on time
Aircraft used
13

Monthly activity 4 months

Month Flights tracked
July 2026 32
June 2026 39
May 2026 39
April 2026 33

UAL311 frequently asked

Where does flight UAL311 fly?
UAL311 (United Airlines) flies from BOS to LAX. View the full route page.
How long is flight UAL311?
Based on observed flights, UAL311 takes on average 6h 37m from takeoff to landing.
How often does UAL311 fly?
UAL311 has been observed flying several times a week in our tracking data. We've recorded 143 flights under this callsign.
Is flight UAL311 usually on time?
Across recent flights, UAL311 arrives 9 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL311?
UAL311 has been operated by 13 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL311 live?
Yes. When UAL311 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.