Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL503

Operated by United Airlines

Live map

Live map filtered to UAL503. Shown when the flight is currently airborne.

Route airports View route page →

Departure

RDU KRDU VFR

Raleigh-Durham International Airport

Raleigh/Durham, US

Local time
05:48 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
435 ft
Coordinates
35.8787, -78.7873

cloud Weather

Wind
230° / 7 kt
Visibility
10 SM
Ceiling
SCT 25,000 ft
Temp / Dew
21°C / 19°C
Altimeter
29.87 inHg

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

Raw METAR / TAF 
METAR KRDU 300851Z 23007KT 10SM SCT250 21/19 A2987 RMK AO2 SLP110 T02110189 56013

TAF KRDU 300520Z 3006/3106 23006KT P6SM OVC250 FM301200 27005KT P6SM SCT090 OVC250 FM301500 02007KT P6SM OVC250 FM302300 07011KT P6SM BKN250

flight Live Traffic

flight_takeoff 89 Departures
flight_land 99 Arrivals

Arrival

EWR KEWR VFR

Newark Liberty International Airport

Newark, US

Local time
05:48 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 277 Departures
flight_land 186 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A4491D RDU → EWR May 29, 15:15 UTCMay 29, 17:30 UTC2h 15m - -
2026-05-28 A12B07 RDU → EWR May 28, 15:00 UTCMay 28, 17:20 UTC2h 20m - -
2026-05-27 A75FDF RDU → EWR May 27, 16:20 UTCMay 27, 18:40 UTC2h 20m - -
2026-05-26 A44960 RDU → EWR May 26, 15:00 UTCMay 26, 17:15 UTC2h 15m - -
2026-05-26 A44960 RDU → EWR May 26, 15:09 UTCMay 26, 16:56 UTC1h 47m +14m -7m
2026-05-25 A0B845 RDU → EWR May 25, 15:10 UTCMay 25, 17:15 UTC2h 5m - -
2026-05-25 A0B845 RDU → EWR May 25, 15:09 UTCMay 25, 17:04 UTC1h 55m +14m -18m
2026-05-24 A8FC2E RDU → EWR May 24, 15:40 UTCMay 24, 18:05 UTC2h 25m - -
2026-05-24 A8FC2E RDU → EWR May 24, 15:48 UTCMay 24, 17:40 UTC1h 52m +53m +28m
2026-05-22 AA7F03 RDU → EWR May 22, 15:10 UTCMay 22, 17:35 UTC2h 25m - -
2026-05-22 AA7F03 RDU → EWR May 22, 15:09 UTCMay 22, 17:16 UTC2h 7m +14m +1m
2026-05-21 A12A9D RDU → EWR May 21, 15:00 UTCMay 21, 17:15 UTC2h 15m - -
2026-05-21 A12A9D RDU → EWR May 21, 15:09 UTCMay 21, 17:23 UTC2h 14m +14m +14m
2026-05-20 A94AE3 RDU → EWR May 20, 21:35 UTCMay 21, 00:10 UTC2h 35m - -
2026-05-20 A494C5 RDU → EWR May 20, 15:00 UTCMay 20, 17:30 UTC2h 30m - -
2026-05-19 A4943F RDU → EWR May 19, 22:00 UTCMay 20, 00:30 UTC2h 30m - -
2026-05-19 A494C5 RDU → EWR May 19, 14:55 UTCMay 19, 17:10 UTC2h 15m - -
2026-05-19 A494C5 RDU → EWR May 19, 14:59 UTCMay 19, 16:56 UTC1h 57m +14m +4m
2026-05-18 A8D46A RDU → EWR May 18, 22:50 UTCMay 19, 02:10 UTC3h 20m - -
2026-05-18 A445F2 RDU → EWR May 18, 14:55 UTCMay 18, 17:30 UTC2h 35m - -
2026-05-18 A46CC1 RDU → EWR May 18, 00:10 UTCMay 18, 02:40 UTC2h 30m - -
2026-05-17 A8D46A RDU → EWR May 17, 15:20 UTCMay 17, 17:35 UTC2h 15m - -
2026-05-16 A92478 RDU → EWR May 16, 21:15 UTCMay 16, 23:50 UTC2h 35m - -
2026-05-15 A9249C RDU → EWR May 15, 21:30 UTCMay 16, 00:05 UTC2h 35m - -
2026-05-15 A8D4B0 RDU → EWR May 15, 14:55 UTCMay 15, 16:55 UTC2h 0m - -
2026-05-14 A94B29 RDU → EWR May 14, 22:20 UTCMay 15, 00:45 UTC2h 25m - -
2026-05-14 A923EF RDU → EWR May 14, 15:01 UTCMay 14, 17:10 UTC2h 10m - -
2026-05-14 A923EF RDU → EWR May 14, 14:59 UTCMay 14, 16:57 UTC1h 58m +14m +7m
2026-05-13 A445F0 RDU → EWR May 13, 22:05 UTCMay 14, 00:30 UTC2h 25m - -
2026-05-13 A8D4F6 RDU → EWR May 13, 14:55 UTCMay 13, 17:05 UTC2h 10m - -

Performance history

Flights tracked
103 showing last 30
Avg arrival delay
+4m
On-time arrival
86% 86% on time
Aircraft used
21

Monthly activity 2 months

Month Flights tracked
May 2026 62
April 2026 41

UAL503 frequently asked

Where does flight UAL503 fly?
UAL503 (United Airlines) flies from RDU to EWR. View the full route page.
How long is flight UAL503?
Based on observed flights, UAL503 takes on average 2h 18m from takeoff to landing.
How often does UAL503 fly?
UAL503 has been observed flying several times a week in our tracking data. We've recorded 103 flights under this callsign.
Is flight UAL503 usually on time?
Across recent flights, UAL503 arrives with an average 4-minute delay. 86% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL503?
UAL503 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL503 live?
Yes. When UAL503 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.