Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL2321

Operated by United Airlines

Live map

Live map filtered to UAL2321. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
20:34 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 14 kt
Visibility
10 SM
Ceiling
FEW 300 ft, BKN 1,000 ft, BKN 3,500 ft
Temp / Dew
14°C / 11°C
Altimeter
30.09 inHg

Obs: 2026-05-30T02:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300256Z 27014KT 10SM FEW003 BKN010 BKN035 14/11 A3009 RMK AO2 SLP188 T01390111 53002

TAF KSFO 300301Z 3003/3106 27012KT P6SM BKN013 FM300600 26010KT P6SM OVC009 FM300900 26005KT P6SM BKN012 FM301700 29010KT P6SM SKC FM302000 28018KT P6SM SKC

warning FAA Advisories

  • Ground Delay: low ceilings (avg 1 hour and 5 minutes)

flight Live Traffic

flight_takeoff 238 Departures
flight_land 258 Arrivals

Arrival

EWR KEWR VFR

Newark Liberty International Airport

Newark, US

Local time
23:34 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
18 ft
Coordinates
40.6894, -74.1705

cloud Weather

Wind
220° / 10 kt
Visibility
10 SM
Ceiling
FEW 5,500 ft, BKN 10,000 ft, BKN 15,000 ft
Temp / Dew
23°C / 9°C
Altimeter
29.71 inHg

Obs: 2026-05-30T02:51:00.000Z

Raw METAR / TAF 
METAR KEWR 300251Z 22010KT 10SM FEW055 BKN100 BKN150 23/09 A2971 RMK AO2 SLP061 T02280089 56007 $

TAF KEWR 300238Z 3003/3106 23012G21KT P6SM SCT060 BKN100 FM300500 28015G24KT P6SM VCSH BKN050 BKN100 FM300700 32017G26KT P6SM SCT060 SCT100 FM301100 34020G31KT P6SM BKN040 BKN100 FM302100 36019G29KT P6SM SCT050 SCT100 FM302300 01015G25KT P6SM FEW050 FEW100 FM310100 01011KT P6SM FEW100 FM310400 36006KT P6SM SKC

flight Live Traffic

flight_takeoff 228 Departures
flight_land 274 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A92384 SFO → EWR May 29, 12:15 UTCMay 29, 15:30 UTC3h 15m - -
2026-05-28 A2DFFE SFO → EWR May 28, 12:18 UTCMay 28, 15:16 UTC2h 58m +18m -4m
2026-05-28 A2DFFE SFO → EWR May 28, 12:05 UTCMay 28, 15:20 UTC3h 15m - -
2026-05-27 AA7ABD SFO → EWR May 27, 13:20 UTCMay 27, 16:30 UTC3h 10m - -
2026-05-26 A4455E SFO → EWR May 26, 12:10 UTCMay 26, 15:29 UTC3h 20m - -
2026-05-25 A94B72 SFO → EWR May 25, 12:15 UTCMay 25, 15:25 UTC3h 10m - -
2026-05-24 A44588 SFO → EWR May 24, 12:15 UTCMay 24, 15:20 UTC3h 5m - -
2026-05-23 A44611 SFO → EWR May 23, 12:10 UTCMay 23, 15:20 UTC3h 10m - -
2026-05-22 A8FC72 SFO → EWR May 22, 12:10 UTCMay 22, 15:30 UTC3h 20m - -
2026-05-21 A239E0 SFO → EWR May 21, 12:10 UTCMay 21, 15:15 UTC3h 5m - -
2026-05-20 A12AC8 SFO → EWR May 20, 23:15 UTCMay 21, 01:40 UTC2h 25m - -
2026-05-20 A12AC8 SFO → EWR May 20, 22:59 UTCMay 21, 02:03 UTC3h 4m -781m +229m
2026-05-19 A5CC13 SFO → EWR May 19, 20:10 UTCMay 19, 22:25 UTC2h 15m - -
2026-05-19 A5CC13 SFO → EWR May 19, 20:09 UTCMay 19, 22:22 UTC2h 13m +14m +4m
2026-05-18 A2B153 SFO → EWR May 18, 20:15 UTCMay 18, 22:30 UTC2h 15m - -
2026-05-18 A2B153 SFO → EWR May 18, 20:09 UTCMay 18, 22:23 UTC2h 14m +14m +4m
2026-05-17 A5D2D4 SFO → EWR May 17, 20:20 UTCMay 17, 22:30 UTC2h 10m - -
2026-05-17 A5D2D4 SFO → EWR May 17, 20:09 UTCMay 17, 22:24 UTC2h 15m +14m -21m
2026-05-16 A2B10B SFO → EWR May 16, 20:10 UTCMay 16, 22:25 UTC2h 15m - -
2026-05-15 A43EEC SFO → EWR May 15, 20:30 UTCMay 15, 21:00 UTC30m - -
2026-05-15 A43EEC SFO → EWR May 15, 20:09 UTCMay 15, 22:34 UTC2h 25m +14m -11m
2026-05-14 A126EA SFO → EWR May 14, 20:20 UTCMay 14, 22:30 UTC2h 10m - -
2026-05-14 A126EA SFO → EWR May 14, 20:19 UTCMay 14, 22:27 UTC2h 8m +24m +9m
2026-05-13 A7598C SFO → EWR May 13, 20:10 UTCMay 13, 22:15 UTC2h 5m - -
2026-05-12 A12732 SFO → EWR May 12, 20:40 UTCMay 12, 22:45 UTC2h 5m - -
2026-05-11 A2B157 SFO → EWR May 11, 20:40 UTCMay 11, 22:35 UTC1h 54m - -
2026-05-10 A12AE4 SFO → EWR May 10, 21:54 UTCMay 11, 00:30 UTC2h 35m - -
2026-05-09 AA7F08 SFO → EWR May 9, 20:20 UTCMay 9, 22:34 UTC2h 15m - -
2026-05-09 AA7F08 SFO → EWR May 9, 20:09 UTCMay 9, 22:27 UTC2h 18m +14m -17m
2026-05-08 A12753 SFO → EWR May 8, 20:15 UTCMay 8, 22:15 UTC2h 0m - -

Performance history

Flights tracked
98 showing last 30
Avg arrival delay
+24m
On-time arrival
88% 88% on time
Aircraft used
22

Monthly activity 2 months

Month Flights tracked
May 2026 38
April 2026 60

UAL2321 frequently asked

Where does flight UAL2321 fly?
UAL2321 (United Airlines) flies from SFO to EWR. View the full route page.
How long is flight UAL2321?
Based on observed flights, UAL2321 takes on average 2h 31m from takeoff to landing.
How often does UAL2321 fly?
UAL2321 has been observed flying several times a week in our tracking data. We've recorded 98 flights under this callsign.
Is flight UAL2321 usually on time?
Across recent flights, UAL2321 arrives with an average 24-minute delay. 88% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL2321?
UAL2321 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL2321 live?
Yes. When UAL2321 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.