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
19:36 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
435 ft
Coordinates
35.8787, -78.7873

cloud Weather

Wind
VRB / 3 kt
Visibility
10 SM
Ceiling
FEW 3,000 ft, OVC 25,000 ft
Temp / Dew
29°C / 22°C
Altimeter
30.03 inHg

Obs: 2026-08-28T22:51:00.000Z

Raw METAR / TAF 
METAR KRDU 282251Z VRB03KT 10SM FEW030 OVC250 29/22 A3003 RMK AO2 SLP163 CB DSNT S-SW T02890222

TAF KRDU 282330Z 2900/2918 VRB03KT P6SM VCSH FEW030 BKN250 PROB30 2900/2903 6SM -TSRA BR SCT030 BKN070CB FM290900 04003KT 4SM BR BKN007 TEMPO 2909/2913 2SM BR OVC004 FM291400 09006KT P6SM OVC015 FM291700 11006KT P6SM SCT025 BKN035

flight Live Traffic

flight_takeoff 80 Departures
flight_land 60 Arrivals

Arrival

EWR KEWR VFR

Newark Liberty International Airport

Newark, US

Local time
19:36 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
18 ft
Coordinates
40.6894, -74.1705

cloud Weather

Wind
310° / 9G17 kt
Visibility
10 SM
Ceiling
FEW 5,500 ft, FEW 8,000 ft, BKN 25,000 ft
Temp / Dew
28°C / 17°C
Altimeter
30.00 inHg

Obs: 2026-08-28T22:51:00.000Z

Raw METAR / TAF 
METAR KEWR 282251Z 31009G17KT 10SM FEW055 FEW080 BKN250 28/17 A3000 RMK AO2 SLP158 TCU DSNT E T02830172 $

TAF KEWR 282320Z 2900/3006 33010KT P6SM SCT040 SCT070 FM290800 36008KT P6SM FEW040 FM291700 29007KT P6SM FEW250 FM292200 20007KT P6SM FEW250 FM300200 22004KT P6SM FEW250

flight Live Traffic

flight_takeoff 157 Departures
flight_land 163 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A0BF26 RDU → EWR Jul 26, 14:50 UTCJul 26, 16:50 UTC2h 0m - -
2026-07-25 A097E9 RDU → EWR Jul 25, 21:25 UTCJul 25, 23:25 UTC2h 0m - -
2026-07-24 A0BF26 RDU → EWR Jul 24, 21:30 UTCJul 24, 23:30 UTC2h 0m - -
2026-07-24 AA568E RDU → EWR Jul 24, 15:00 UTCJul 24, 17:10 UTC2h 10m - -
2026-07-23 A097E9 RDU → EWR Jul 23, 15:05 UTCJul 23, 17:15 UTC2h 10m - -
2026-07-22 A43E7F RDU → EWR Jul 22, 14:55 UTCJul 22, 15:45 UTC50m - -
2026-07-22 A43E7F RDU → EWR Jul 22, 14:49 UTCJul 22, 17:03 UTC2h 14m +14m -5m
2026-07-21 A10E21 RDU → EWR Jul 21, 16:20 UTCJul 21, 18:40 UTC2h 20m - -
2026-07-20 AA56B5 RDU → EWR Jul 20, 14:55 UTCJul 20, 17:05 UTC2h 10m - -
2026-07-19 A10E23 RDU → EWR Jul 19, 14:55 UTCJul 19, 17:20 UTC2h 25m - -
2026-07-19 A10E23 RDU → EWR Jul 19, 14:49 UTCJul 19, 17:01 UTC2h 12m +14m +3m
2026-07-19 A0E751 RDU → EWR Jul 19, 01:05 UTCJul 19, 03:00 UTC1h 55m - -
2026-07-17 A0BF26 - Jul 17, 22:25 UTCJul 18, 00:19 UTC1h 55m - -
2026-07-17 A0BF26 ORD → EGE Jul 17, 22:33 UTCJul 18, 00:27 UTC1h 54m +93m -18m
2026-07-17 A92478 - Jul 17, 14:55 UTCJul 17, 16:59 UTC2h 5m - -
2026-07-16 A097CE - Jul 16, 14:45 UTCJul 16, 15:30 UTC45m - -
2026-07-16 A097CE BOS → ORD Jul 16, 14:49 UTCJul 16, 16:57 UTC2h 8m +14m +3m
2026-07-15 A097CE BOS → ORD Jul 15, 14:50 UTCJul 15, 17:00 UTC2h 10m - -
2026-07-14 A2B0ED BOS → ORD Jul 14, 14:49 UTCJul 14, 16:44 UTC1h 55m +14m +14m
2026-07-14 A2B0ED BOS → ORD Jul 14, 14:40 UTCJul 14, 16:45 UTC2h 5m - -
2026-07-13 A0BF26 BOS → ORD Jul 13, 14:45 UTCJul 13, 16:50 UTC2h 5m - -
2026-07-12 A3A0ED BOS → ORD Jul 12, 14:45 UTCJul 12, 17:01 UTC2h 15m - -
2026-07-11 A0BF26 - Jul 11, 22:30 UTCJul 12, 00:30 UTC2h 0m - -
2026-07-10 A224F9 - Jul 10, 21:35 UTCJul 10, 23:35 UTC2h 0m - -
2026-07-10 A43E5C - Jul 10, 15:00 UTCJul 10, 17:10 UTC2h 10m - -
2026-07-09 A41722 BOS → ORD Jul 9, 14:45 UTCJul 9, 16:45 UTC2h 0m - -
2026-07-08 A9D5E4 - Jul 8, 16:45 UTCJul 8, 16:55 UTC10m - -
2026-07-08 A9D5E4 BOS → ORD Jul 8, 14:49 UTCJul 8, 16:30 UTC1h 41m +14m -1m
2026-07-08 A9D5E4 BOS → ORD Jul 8, 14:40 UTCJul 8, 16:55 UTC2h 15m - -
2026-07-07 A13650 BOS → ORD Jul 7, 14:45 UTCJul 7, 17:00 UTC2h 15m - -

Performance history

Flights tracked
187 showing last 30
Avg arrival delay
-1m
On-time arrival
100% 100% on time
Aircraft used
17

Monthly activity 4 months

Month Flights tracked
July 2026 41
June 2026 41
May 2026 64
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 1h 56m 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 187 flights under this callsign.
Is flight UAL503 usually on time?
Across recent flights, UAL503 arrives 1 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL503?
UAL503 has been operated by 17 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.