UAL403 is operated by UNITED AIRLINES INC between Fort Lauderdale Hollywood International Airport (KFLL) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 45m. SkyMeter has observed 136 legs of this flight number via ADS-B.

✈
FLIGHTS
136
last 90 days
⏱
AVG DURATION
2h 45m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
9 / 6
city pairs · airframes
⚠
INCIDENT RATE
1.5%
2 flagged

Routes flown

By count · last 90 days

6
KFLL → KORD
70
avg 3h 17m · Fort Lauderdale Hollywood → Chicago O'Hare
KORD → KTUL
22
avg 1h 34m · Chicago O'Hare → Tulsa
KORD → KPDX
12
avg 4h 7m · Chicago O'Hare → Portland
KFXE → KORD
5
avg 3h 22m · Fort Lauderdale Executive → Chicago O'Hare
KCGX → KORD
1
avg 12m · Chicago Meigs → Chicago O'Hare
KOPF → KORD
1
avg 3h 0m · Miami-Opa Locka Executive → Chicago O'Hare

Aircraft types

Equipment used on this number

6
B739 BOEING Boeing 737-900
123
B738 BOEING Boeing 737-800
25
A21N AIRBUS Airbus A321 Neo
15
B39M BOEING Boeing 737 MAX 9
14
A319 AIRBUS Airbus A319
2
B38M BOEING Boeing 737 MAX 8
1

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
1
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 UAL403

30
N76503BOEING Boeing 737-800
→
07/19/2026
2h 31m
No alerts
Replay Analysis
N36469BOEING Boeing 737-900
→
07/19/2026
36m
No alerts
Replay Analysis
N36469BOEING Boeing 737-900
→
07/18/2026
2h 59m
No alerts
Replay Analysis
N36469BOEING Boeing 737-900
→
07/18/2026
3h 36m
No alerts
Replay Analysis
N39475BOEING Boeing 737-900
→
07/18/2026
1h 49m
No alerts
Replay Analysis
N39475BOEING Boeing 737-900
→
07/17/2026
3h 39m
No alerts
Replay Analysis
N39475BOEING Boeing 737-900
→
07/17/2026
1h 49m
No alerts
Replay Analysis
N68842BOEING Boeing 737-900
→
07/16/2026
3h 7m
No alerts
Replay Analysis
N68822BOEING Boeing 737-900
→
07/15/2026
17m
No alerts
Replay Analysis
N68822BOEING Boeing 737-900
→
07/15/2026
3h 13m
No alerts
Replay Analysis
N61881BOEING Boeing 737-900
→
07/14/2026
2h 53m
No alerts
Replay Analysis
N27477BOEING Boeing 737-900
→
07/13/2026
3h 9m
No alerts
Replay Analysis
N68823BOEING Boeing 737-900
→
07/12/2026
3h 29m
No alerts
Replay Analysis
N61882BOEING Boeing 737-900
→
07/11/2026
3h 15m
No alerts
Replay Analysis
N38446BOEING Boeing 737-900
→
07/10/2026
3h 37m
No alerts
Replay Analysis
N69885BOEING Boeing 737-900
→
07/09/2026
3h 2m
No alerts
Replay Analysis
N39416BOEING Boeing 737-900
→
07/08/2026
12m
No alerts
Replay Analysis
N39416BOEING Boeing 737-900
→
07/08/2026
2h 48m
No alerts
Replay Analysis
N36444BOEING Boeing 737-900
→
07/07/2026
3h 4m
No alerts
Replay Analysis
N68817BOEING Boeing 737-900
→
07/06/2026
3h 15m
No alerts
Replay Analysis
N69813BOEING Boeing 737-900
→
07/06/2026
27m
No alerts
Replay Analysis
N69813BOEING Boeing 737-900
→
07/05/2026
2h 51m
No alerts
Replay Analysis
N69813BOEING Boeing 737-900
→
07/05/2026
3h 19m
No alerts
Replay Analysis
N68801BOEING Boeing 737-900
→
07/04/2026
3h 38m
No alerts
Replay Analysis
N68834BOEING Boeing 737-900
→
07/04/2026
3h 50m
No alerts
Replay Analysis
N68817BOEING Boeing 737-900
→
07/03/2026
1h 21m
No alerts
Replay Analysis
N68817BOEING Boeing 737-900
→
07/02/2026
1h 30m
No alerts
Replay Analysis
N68817BOEING Boeing 737-900
→
07/02/2026
2h 52m
No alerts
Replay Analysis
N36476BOEING Boeing 737-900
→
07/01/2026
2h 52m
No alerts
Replay Analysis
N53441BOEING Boeing 737-900
→
06/30/2026
3h 14m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window