Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL2400

Operated by United Airlines

Live map

Live map filtered to UAL2400. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
11:04 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
VRB / 6 kt
Visibility
10 SM
Ceiling
FEW 25,000 ft
Temp / Dew
21°C / 12°C
Altimeter
30.17 inHg

Obs: 2026-09-12T14:54:00.000Z

Raw METAR / TAF 
METAR KBOS 121454Z VRB06KT 10SM FEW250 21/12 A3017 RMK AO2 SLP217 T02060122 51003

TAF KBOS 121500Z 1215/1318 11011KT P6SM SKC FM122300 16010KT P6SM SCT250 FM130100 19008KT P6SM BKN080 FM131000 17007KT P6SM OVC040 PROB30 1310/1312 4SM -SHRA OVC022 FM131500 13008KT 3SM +SHRA BR OVC010

warning FAA Advisories

  • Ground Delay: other (avg 1 hour and 1 minute)

flight Live Traffic

flight_takeoff 201 Departures
flight_land 155 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
08:04 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
260° / 10 kt
Visibility
10 SM
Ceiling
SCT 20,000 ft
Temp / Dew
17°C / 13°C
Altimeter
29.94 inHg

Obs: 2026-09-12T14:56:00.000Z

Raw METAR / TAF 
METAR KSFO 121456Z 26010KT 10SM SCT200 17/13 A2994 RMK AO2 SLP137 T01670128 53015 $

TAF KSFO 121452Z 1215/1318 28015KT P6SM SKC FM122100 29025G35KT P6SM SCT250 FM131000 30015KT P6SM FEW015

flight Live Traffic

flight_takeoff 162 Departures
flight_land 204 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A12AEB BOS → SFO Jul 26, 22:30 UTCJul 26, 22:45 UTC15m - -
2026-07-24 A12F75 BOS → SFO Jul 24, 22:55 UTCJul 25, 05:10 UTC6h 15m - -
2026-07-24 A12F75 BOS → SFO Jul 24, 22:44 UTCJul 25, 04:59 UTC6h 15m +34m +29m
2026-07-23 A12F6D BOS → SFO Jul 23, 22:50 UTCJul 24, 04:45 UTC5h 55m - -
2026-07-22 A12F07 BOS → SFO Jul 22, 22:40 UTCJul 23, 04:50 UTC6h 10m - -
2026-07-22 A12AEA BOS → SFO Jul 22, 02:50 UTCJul 22, 05:25 UTC2h 35m - -
2026-07-21 A448FA BOS → SFO Jul 21, 01:15 UTCJul 21, 06:05 UTC4h 50m - -
2026-07-21 A448FA BOS → SFO Jul 21, 00:25 UTCJul 21, 01:10 UTC45m - -
2026-07-19 A12AC7 BOS → SFO Jul 19, 23:25 UTCJul 20, 05:20 UTC5h 55m - -
2026-07-17 A12B2F BOS → SFO Jul 17, 23:04 UTCJul 18, 05:18 UTC6h 14m +54m +54m
2026-07-17 A12B2F BOS → SFO Jul 17, 23:20 UTCJul 18, 05:35 UTC6h 16m - -
2026-07-17 AA7F27 BOS → SFO Jul 17, 00:14 UTCJul 17, 06:15 UTC6h 0m - -
2026-07-15 A12F73 BOS → SFO Jul 15, 23:05 UTCJul 16, 05:35 UTC6h 30m - -
2026-07-14 A12AE9 BOS → SFO Jul 14, 22:40 UTCJul 15, 04:15 UTC5h 34m - -
2026-07-14 A12F73 - Jul 14, 00:05 UTCJul 14, 05:25 UTC5h 20m - -
2026-07-14 A12F73 BOS → SFO Jul 14, 00:04 UTCJul 14, 05:23 UTC5h 19m +114m +48m
2026-07-12 A12A7D - Jul 12, 23:30 UTCJul 13, 04:55 UTC5h 25m - -
2026-07-10 A75FDF BOS → SFO Jul 10, 23:08 UTCJul 11, 05:10 UTC6h 2m +58m +35m
2026-07-10 A75FDF - Jul 10, 23:05 UTCJul 11, 03:45 UTC4h 40m - -
2026-07-08 A4491A - Jul 8, 22:45 UTCJul 9, 04:35 UTC5h 50m - -
2026-07-07 AA7F2B BOS → SFO Jul 7, 23:20 UTCJul 8, 05:10 UTC5h 50m - -
2026-07-06 A4495C - Jul 6, 22:45 UTCJul 7, 04:50 UTC6h 5m - -
2026-07-05 A5D2D4 - Jul 5, 23:00 UTCJul 6, 05:10 UTC6h 10m - -
2026-07-03 A76066 BOS → SFO Jul 3, 23:05 UTCJul 4, 05:00 UTC5h 55m - -
2026-07-02 A4493D - Jul 2, 23:00 UTCJul 3, 04:55 UTC5h 55m - -
2026-07-01 A2BC9E BOS → SFO Jul 1, 22:35 UTCJul 2, 04:25 UTC5h 50m - -
2026-06-30 A12AE3 BOS → SFO Jun 30, 23:05 UTCJul 1, 05:00 UTC5h 55m - -
2026-06-29 A12A7B - Jun 29, 23:25 UTCJun 30, 05:20 UTC5h 56m - -
2026-06-28 A12AE5 - Jun 28, 22:49 UTCJun 29, 04:45 UTC5h 55m - -
2026-06-26 AA7F05 BOS → SFO Jun 26, 22:34 UTCJun 27, 04:49 UTC6h 15m - -

Performance history

Flights tracked
190 showing last 30
Avg arrival delay
+42m
On-time arrival
0% 0% on time
Aircraft used
24

Monthly activity 4 months

Month Flights tracked
July 2026 26
June 2026 32
May 2026 78
April 2026 54

UAL2400 frequently asked

Where does flight UAL2400 fly?
UAL2400 (United Airlines) flies from BOS to SFO. View the full route page.
How long is flight UAL2400?
Based on observed flights, UAL2400 takes on average 5h 24m from takeoff to landing.
How often does UAL2400 fly?
UAL2400 has been observed flying several times a week in our tracking data. We've recorded 190 flights under this callsign.
Is flight UAL2400 usually on time?
Across recent flights, UAL2400 arrives with an average 42-minute delay. 0% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL2400?
UAL2400 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL2400 live?
Yes. When UAL2400 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.