Flight

UAL1503 20 Sep 2026

UAL1503, operated by United Airlines, on 20 Sep 2026: Seattle Tacoma International (KSEA) to Chicago Ohare International (KORD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 18 Sep 2026All UAL1503 flights21 Sep 2026 →

Leg 1 of 2estimated

PlaneTrack receiver network
RouteKSEA SEATTLE TACOMA INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne17:00 PDT 19 Sep
Last seen19:18 CDT 19 Sep
Duration0h 17m
AircraftA0B86C
Max altitude10,000 ft
Distance tracked1,491 nm

Leg 2 of 2partial

PlaneTrack receiver network
RouteKORD CHICAGO OHARE INTERNATIONAL → ?
StatusPartial record (receiver network)
First seen airborne23:52 CDT 19 Sep
AircraftN27205
Max altitude38,025 ft

Punctuality, last 30 days

Flights8
On time5 (62%)
Average delay+37 min
Worst delay+227 min

In the last 30 days UAL1503 departed on time (within 15 minutes) on 5 of 8 flights (62%), with an average departure delay of +37 min and a worst delay of +227 min.

UAL1503 flight history Full history CSV API access

Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.