Apparatus

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flight_takeoff Flight

UAL621

Operated by United Airlines

Live map

Live map filtered to UAL621. Shown when the flight is currently airborne.

Route airports View route page →

Departure

JAX KJAX LIFR

Jacksonville International Airport

Jacksonville, US

Local time
05:32 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
30 ft
Coordinates
30.4925, -81.6878

cloud Weather

Wind
250° / 4 kt
Visibility
10 SM
Ceiling
BKN 400 ft, OVC 14,000 ft
Temp / Dew
23°C / 22°C
Altimeter
29.90 inHg

Obs: 2026-05-30T08:56:00.000Z

Raw METAR / TAF 
METAR KJAX 300856Z 25004KT 10SM BKN004 OVC140 23/22 A2990 RMK AO2 SLP124 T02280217 55009 $

TAF KJAX 300540Z 3006/3106 VRB03KT 3SM BR VCSH BKN003 OVC020 TEMPO 3006/3008 6SM BR SCT003 BKN006 FM300800 30002KT 1SM BR OVC004 FM301400 29006KT P6SM VCSH SCT010 BKN020 OVC050 FM301800 29008KT P6SM -SHRA VCTS SCT015 BKN025CB OVC070 TEMPO 3019/3023 VRB15G25KT 3SM TSRA BR SCT010 BKN020CB OVC040 FM310200 28004KT P6SM VCTS SCT030CB BKN070 OVC200

flight Live Traffic

flight_takeoff 36 Departures
flight_land 42 Arrivals

Arrival

EWR KEWR VFR

Newark Liberty International Airport

Newark, US

Local time
05:32 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
18 ft
Coordinates
40.6894, -74.1705

cloud Weather

Wind
340° / 19G27 kt
Visibility
10 SM
Ceiling
SCT 7,000 ft
Temp / Dew
14°C / 1°C
Altimeter
29.75 inHg

Obs: 2026-05-30T08:51:00.000Z

Raw METAR / TAF 
METAR KEWR 300851Z 34019G27KT 10SM SCT070 14/01 A2975 RMK AO2 PK WND 32033/0814 SLP074 T01440011 53026 $

TAF KEWR 300836Z 3009/3112 32017G28KT P6SM SCT060 SCT100 FM301100 34026G34KT P6SM BKN040 BKN100 FM302100 36019G29KT P6SM SCT050 SCT100 FM302300 01015G25KT P6SM FEW050 FEW100 FM310100 01011KT P6SM SKC FM310400 33006KT P6SM SKC

flight Live Traffic

flight_takeoff 248 Departures
flight_land 153 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A5CC3C JAX → EWR May 29, 13:10 UTCMay 29, 14:05 UTC55m - -
2026-05-28 A44168 JAX → EWR May 28, 13:50 UTCMay 28, 14:45 UTC55m - -
2026-05-28 A44168 JAX → EWR May 28, 13:13 UTCMay 28, 14:40 UTC1h 27m +13m -37m
2026-05-27 A5CC35 JAX → EWR May 27, 13:10 UTCMay 27, 14:05 UTC55m - -
2026-05-27 A5CC35 JAX → EWR May 27, 13:13 UTCMay 27, 14:05 UTC52m +13m +14m
2026-05-26 AA2BA5 JAX → EWR May 26, 13:15 UTCMay 26, 14:09 UTC55m - -
2026-05-25 A2B198 JAX → EWR May 25, 13:15 UTCMay 25, 14:10 UTC55m - -
2026-05-24 A8856D JAX → EWR May 24, 13:15 UTCMay 24, 14:10 UTC55m - -
2026-05-23 A923CF JAX → EWR May 23, 13:30 UTCMay 23, 14:30 UTC1h 0m - -
2026-05-22 A12750 JAX → EWR May 22, 13:10 UTCMay 22, 14:05 UTC55m - -
2026-05-21 A2B154 JAX → EWR May 21, 13:50 UTCMay 21, 14:40 UTC50m - -
2026-05-20 AB3A0C JAX → EWR May 20, 16:00 UTCMay 20, 18:30 UTC2h 30m - -
2026-05-20 A28928 JAX → EWR May 20, 13:35 UTCMay 20, 14:25 UTC50m - -
2026-05-19 A59B5E JAX → EWR May 19, 16:00 UTCMay 19, 18:35 UTC2h 35m - -
2026-05-19 AA56DA JAX → EWR May 19, 13:30 UTCMay 19, 14:25 UTC55m - -
2026-05-18 AB741E JAX → EWR May 18, 16:15 UTCMay 18, 19:00 UTC2h 44m - -
2026-05-18 AA7E51 JAX → EWR May 18, 13:20 UTCMay 18, 14:15 UTC55m - -
2026-05-17 AAF9EA JAX → EWR May 17, 16:10 UTCMay 17, 18:45 UTC2h 35m - -
2026-05-17 A43EA2 JAX → EWR May 17, 13:15 UTCMay 17, 14:05 UTC50m - -
2026-05-16 A5FCEF JAX → EWR May 16, 16:15 UTCMay 16, 18:50 UTC2h 35m - -
2026-05-16 A3A0ED JAX → EWR May 16, 13:15 UTCMay 16, 14:11 UTC55m - -
2026-05-15 A5BCCD JAX → EWR May 15, 16:10 UTCMay 15, 18:40 UTC2h 30m - -
2026-05-15 A3A0CA JAX → EWR May 15, 13:15 UTCMay 15, 14:15 UTC1h 0m - -
2026-05-14 A5BCCD JAX → EWR May 14, 16:06 UTCMay 14, 18:32 UTC2h 26m +21m -11m
2026-05-14 A5BCCD JAX → EWR May 14, 16:10 UTCMay 14, 18:30 UTC2h 20m - -
2026-05-14 A3C775 JAX → EWR May 14, 13:05 UTCMay 14, 14:01 UTC55m - -
2026-05-13 AB9F54 JAX → EWR May 13, 15:55 UTCMay 13, 18:20 UTC2h 25m - -
2026-05-13 AACD96 JAX → EWR May 13, 13:15 UTCMay 13, 14:10 UTC55m - -
2026-05-12 ABB440 JAX → EWR May 12, 16:05 UTCMay 12, 18:30 UTC2h 25m - -
2026-05-12 A43E83 JAX → EWR May 12, 13:15 UTCMay 12, 14:10 UTC55m - -

Performance history

Flights tracked
74 showing last 30
Avg arrival delay
-11m
On-time arrival
100% 100% on time
Aircraft used
26

Monthly activity 2 months

Month Flights tracked
May 2026 53
April 2026 21

UAL621 frequently asked

Where does flight UAL621 fly?
UAL621 (United Airlines) flies from JAX to EWR. View the full route page.
How long is flight UAL621?
Based on observed flights, UAL621 takes on average 1h 28m from takeoff to landing.
How often does UAL621 fly?
UAL621 has been observed flying several times a week in our tracking data. We've recorded 74 flights under this callsign.
Is flight UAL621 usually on time?
Across recent flights, UAL621 arrives 11 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL621?
UAL621 has been operated by 26 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL621 live?
Yes. When UAL621 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.