Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1503

Operated by UAL

Live map

Live map filtered to UAL1503. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
05:37 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
20° / 4 kt
Visibility
10 SM
Ceiling
FEW 15,000 ft
Temp / Dew
15°C / 7°C
Altimeter
30.08 inHg

Obs: 2026-07-14T11:53:00.000Z

Raw METAR / TAF 
METAR KSEA 141153Z 02004KT 10SM FEW150 15/07 A3008 RMK AO2 SLP190 T01500072 10183 20139 51004 $

TAF KSEA 141120Z 1412/1518 01005KT P6SM SKC FM141900 31008KT P6SM SKC FM150700 36004KT P6SM BKN120

flight Live Traffic

flight_takeoff 295 Departures
flight_land 303 Arrivals

Arrival

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
07:37 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
290° / 3 kt
Visibility
10 SM
Ceiling
FEW 25,000 ft
Temp / Dew
24°C / 20°C
Altimeter
30.18 inHg

Obs: 2026-07-14T11:51:00.000Z

Raw METAR / TAF 
METAR KORD 141151Z 29003KT 10SM FEW250 24/20 A3018 RMK AO2 SLP214 T02440200 10261 20233 53008 $

TAF KORD 141126Z 1412/1518 31005KT P6SM SKC FM141900 08006KT P6SM SKC FM142300 26005KT P6SM SKC

flight Live Traffic

flight_takeoff 1133 Departures
flight_land 816 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-14 AA7F2A SEA → ORD Jul 14, 01:10 UTCJul 14, 04:30 UTC3h 20m - -
2026-07-13 A449CB SEA → ORD Jul 13, 00:25 UTCJul 13, 03:40 UTC3h 15m - -
2026-07-12 A445C7 - Jul 12, 00:20 UTCJul 12, 03:35 UTC3h 15m - -
2026-07-11 A4945F - Jul 11, 00:25 UTCJul 11, 03:45 UTC3h 20m - -
2026-07-11 A4945F SEA → ORD Jul 11, 00:33 UTCJul 11, 03:41 UTC3h 8m +18m +1m
2026-07-10 AA7F46 SEA → ORD Jul 10, 00:30 UTCJul 10, 03:45 UTC3h 15m - -
2026-07-09 A12F08 ORD → BOS Jul 9, 01:05 UTCJul 9, 04:40 UTC3h 35m - -
2026-07-09 A12F08 ORD → BOS Jul 9, 00:33 UTCJul 9, 04:35 UTC4h 2m +18m -10m
2026-07-08 A448D6 ORD → BOS Jul 8, 00:35 UTCJul 8, 03:55 UTC3h 20m - -
2026-07-07 A449A8 ORD → BOS Jul 7, 00:50 UTCJul 7, 04:15 UTC3h 25m - -
2026-07-06 A12B09 ORD → BOS Jul 6, 00:25 UTCJul 6, 03:45 UTC3h 20m - -
2026-07-06 A12B09 ORD → BOS Jul 6, 00:33 UTCJul 6, 03:30 UTC2h 57m +18m -4m
2026-07-04 AB1B3E ORD → BOS Jul 4, 06:35 UTCJul 4, 06:45 UTC10m - -
2026-07-04 AB1B3E ORD → BOS Jul 4, 03:05 UTCJul 4, 06:45 UTC3h 40m - -
2026-07-04 AB1B3E ORD → BOS Jul 4, 02:58 UTCJul 4, 06:18 UTC3h 20m +163m +142m
2026-07-03 A2BBCC ORD → BOS Jul 3, 08:00 UTCJul 3, 09:00 UTC1h 0m - -
2026-07-03 A2BBCC ORD → BOS Jul 3, 00:30 UTCJul 3, 04:30 UTC4h 0m - -
2026-07-02 A12B09 ORD → BOS Jul 2, 01:00 UTCJul 2, 04:35 UTC3h 35m - -
2026-07-01 A12A7F ORD → BOS Jul 1, 00:25 UTCJul 1, 03:50 UTC3h 25m - -
2026-06-30 A2B7F5 ORD → BOS Jun 30, 00:39 UTCJun 30, 04:05 UTC3h 25m - -
2026-06-29 A0B7BD ORD → BOS Jun 29, 00:24 UTCJun 29, 03:44 UTC3h 20m - -
2026-06-28 A94B4D ORD → BOS Jun 28, 00:25 UTCJun 28, 03:59 UTC3h 35m - -
2026-06-27 AA7F23 ORD → BOS Jun 27, 00:25 UTCJun 27, 03:49 UTC3h 25m - -
2026-06-26 A2B7CD ORD → BOS Jun 26, 00:30 UTCJun 26, 03:45 UTC3h 15m - -
2026-06-25 AA7F09 ORD → BOS Jun 25, 03:15 UTCJun 25, 07:00 UTC3h 45m - -
2026-06-24 A12AA4 ORD → BOS Jun 24, 00:30 UTCJun 24, 03:40 UTC3h 10m - -
2026-06-23 A12B2E ORD → BOS Jun 23, 00:54 UTCJun 23, 04:14 UTC3h 20m - -
2026-06-22 A12B2E ORD → BOS Jun 22, 01:00 UTCJun 22, 04:24 UTC3h 25m - -
2026-06-21 A448F8 ORD → BOS Jun 21, 00:25 UTCJun 21, 03:44 UTC3h 20m - -
2026-06-20 A44962 ORD → BOS Jun 20, 00:39 UTCJun 20, 03:49 UTC3h 10m - -

Performance history

Flights tracked
106 showing last 30
Avg arrival delay
+32m
On-time arrival
75% 75% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 19
June 2026 35
May 2026 32
April 2026 20

UAL1503 frequently asked

Where does flight UAL1503 fly?
UAL1503 (UAL) flies from SEA to ORD. View the full route page.
How long is flight UAL1503?
Based on observed flights, UAL1503 takes on average 3h 13m from takeoff to landing.
How often does UAL1503 fly?
UAL1503 has been observed flying several times a week in our tracking data. We've recorded 106 flights under this callsign.
Is flight UAL1503 usually on time?
Across recent flights, UAL1503 arrives with an average 32-minute delay. 75% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1503?
UAL1503 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1503 live?
Yes. When UAL1503 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.