Flight Status & Tracker

UAL1503

UNITED AIRLINES INC · SEA → ORD · Last tracked Sep 28, 2026

UAL1503 is a flight number operated by UNITED AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Chicago O'Hare International Airport (KORD). SkyMeter last tracked UAL1503 on September 28, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 56m. SkyMeter has observed 107 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
107
last 90 days
⏱
AVG DURATION
2h 56m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/28/2026
first → last seen
🗺
ROUTES / TYPES
16 / 8
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KSEA → KORD
31
avg 3h 44m · Seattle Tacoma → Chicago O'Hare
KIAH → KLGA
19
avg 3h 9m · George Bush Intercontinental Houston → La Guardia
KIAH → KORD
15
avg 2h 17m · George Bush Intercontinental Houston → Chicago O'Hare
KORD → KFAT
13
avg 4h 9m · Chicago O'Hare → Fresno Yosemite
KDTW → KORD
4
avg 1h 7m · Detroit Metropolitan Wayne County → Chicago O'Hare
KSEA → KMCI
1
avg 4h 22m · Seattle Tacoma → Kansas City
KIAH → KEWR
1
avg 2h 47m · George Bush Intercontinental Houston → Newark Liberty
KSEA → KMSP
1
avg 3h 46m · Seattle Tacoma → Minneapolis-St Paul International/Wold-Chamberlain
KMSP → KORD
1
avg 1h 20m · Minneapolis-St Paul International/Wold-Chamberlain → Chicago O'Hare
KMCI → KORD
1
avg 1h 3m · Kansas City → Chicago O'Hare

Aircraft types

Equipment used on this number

8
B39M BOEING Boeing 737 MAX 9
39
B38M BOEING Boeing 737 MAX 8
38
A21N AIRBUS Airbus A321 Neo
20
B738 BOEING Boeing 737-800
14
A320 AIRBUS Airbus A320
6
B739 BOEING Boeing 737-900
5
A319 AIRBUS Airbus A319
1
B737 BOEING Boeing 737-700
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of UAL1503

30
N475UAAIRBUS Airbus A320
→
9/28/2026
1h 17m
No alerts
Replay Analysis
N490UAAIRBUS Airbus A320
→
9/26/2026
1h 20m
No alerts
Replay Analysis
N430UAAIRBUS Airbus A320
→
9/25/2026
12m
No alerts
Replay Analysis
N430UAAIRBUS Airbus A320
→
9/25/2026
1h 3m
No alerts
Replay Analysis
N481UAAIRBUS Airbus A320
→
9/24/2026
25m
No alerts
Replay Analysis
N481UAAIRBUS Airbus A320
→
9/24/2026
48m
No alerts
Replay Analysis
N830UAAIRBUS Airbus A319
→
9/24/2026
4h 35m
No alerts
Replay Analysis
N14533AIRBUS Airbus A321 Neo
→
9/23/2026
2h 10m
No alerts
Replay Analysis
N35204BOEING Boeing 737-800
→
9/23/2026
4h 7m
No alerts
Replay Analysis
N94556AIRBUS Airbus A321 Neo
→
9/23/2026
11m
No alerts
Replay Analysis
N94556AIRBUS Airbus A321 Neo
→
9/22/2026
2h 7m
No alerts
Replay Analysis
N33292BOEING Boeing 737-800
→
9/22/2026
4h 25m
No alerts
Replay Analysis
N64572
→
9/21/2026
2h 17m
No alerts
Replay Analysis
N76529BOEING Boeing 737-800
→
9/21/2026
4h 7m
No alerts
Replay Analysis
N14528AIRBUS Airbus A321 Neo
→
9/20/2026
2h 14m
No alerts
Replay Analysis
N27205BOEING Boeing 737-800
→
9/20/2026
3h 54m
No alerts
Replay Analysis
N27205BOEING Boeing 737-800
→
9/20/2026
14m
No alerts
Replay Analysis
N14559AIRBUS Airbus A321 Neo
→
9/20/2026
40m
No alerts
Replay Analysis
N14559AIRBUS Airbus A321 Neo
→
9/19/2026
2h 24m
No alerts
Replay Analysis
N14559AIRBUS Airbus A321 Neo
→
9/19/2026
3h 4m
No alerts
Replay Analysis
N24211BOEING Boeing 737-800
→
9/19/2026
3h 49m
No alerts
Replay Analysis
N14511AIRBUS Airbus A321 Neo
→
9/18/2026
2h 12m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
9/18/2026
3h 41m
No alerts
Replay Analysis
N24508AIRBUS Airbus A321 Neo
→
9/17/2026
2h 12m
No alerts
Replay Analysis
N77261BOEING Boeing 737-800
→
9/17/2026
4h 3m
No alerts
Replay Analysis
N24516AIRBUS Airbus A321 Neo
→
9/16/2026
2h 12m
No alerts
Replay Analysis
N13248BOEING Boeing 737-800
→
9/16/2026
4h 11m
No alerts
Replay Analysis
N14534AIRBUS Airbus A321 Neo
→
9/16/2026
23m
No alerts
Replay Analysis
N14534AIRBUS Airbus A321 Neo
→
9/15/2026
2h 3m
No alerts
Replay Analysis
N76288BOEING Boeing 737-800
→
9/15/2026
4h 46m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window