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 42m. SkyMeter has observed 118 legs of this flight number via ADS-B.

✈
FLIGHTS
118
last 90 days
⏱
AVG DURATION
2h 42m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/4/2026
first → last seen
🗺
ROUTES / TYPES
11 / 5
city pairs · airframes
⚠
INCIDENT RATE
1.7%
2 flagged

Routes flown

By count · last 90 days

8
KFLL → KORD
69
avg 3h 21m · Fort Lauderdale Hollywood → Chicago O'Hare
KORD → KTUL
15
avg 1h 34m · Chicago O'Hare → Tulsa
KFXE → KORD
3
avg 3h 16m · Fort Lauderdale Executive → Chicago O'Hare
KOPF → KORD
3
avg 3h 43m · Miami-Opa Locka Executive → Chicago O'Hare
IS12 → KORD
1
avg 19m · Urso Heliport → Chicago O'Hare
LL95 → KORD
1
avg 14m · Clarke Heliport → Chicago O'Hare
KPMP → KORD
1
avg 3h 39m · Pompano Beach Airpark → Chicago O'Hare
KCGX → KORD
1
avg 12m · Chicago Meigs → Chicago O'Hare

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
122
B738 BOEING Boeing 737-800
26
B39M BOEING Boeing 737 MAX 9
17
A319 AIRBUS Airbus A319
2
B38M BOEING Boeing 737 MAX 8
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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
N37470BOEING Boeing 737-900
→
9/4/2026
3h 12m
No alerts
Replay Analysis
N69835BOEING Boeing 737-900
→
9/4/2026
26m
No alerts
Replay Analysis
N28457BOEING Boeing 737-900
→
9/2/2026
3h 3m
No alerts
Replay Analysis
N38424BOEING Boeing 737-900
→
9/1/2026
3h 0m
No alerts
Replay Analysis
N75425BOEING Boeing 737-900
→
9/1/2026
54m
No alerts
Replay Analysis
N75425BOEING Boeing 737-900
→
8/31/2026
4h 6m
No alerts
Replay Analysis
N75425BOEING Boeing 737-900
→
8/31/2026
3h 11m
No alerts
Replay Analysis
N73259BOEING Boeing 737-800
→
8/31/2026
56m
No alerts
Replay Analysis
N73259BOEING Boeing 737-800
→
8/30/2026
3h 23m
No alerts
Replay Analysis
N73259BOEING Boeing 737-800
→
8/30/2026
2h 27m
No alerts
Replay Analysis
N76265BOEING Boeing 737-800
→
8/30/2026
1h 7m
No alerts
Replay Analysis
N76265BOEING Boeing 737-800
→
8/29/2026
1h 54m
No alerts
Replay Analysis
N76265BOEING Boeing 737-800
→
8/29/2026
3h 3m
No alerts
Replay Analysis
N37413BOEING Boeing 737-900
→
8/28/2026
3h 19m
No alerts
Replay Analysis
N61887BOEING Boeing 737-900
→
8/28/2026
2h 19m
No alerts
Replay Analysis
N61887BOEING Boeing 737-900
→
8/27/2026
1h 3m
No alerts
Replay Analysis
N61887BOEING Boeing 737-900
→
8/27/2026
3h 23m
No alerts
Replay Analysis
N37422BOEING Boeing 737-900
→
8/27/2026
39m
No alerts
Replay Analysis
N37422BOEING Boeing 737-900
→
8/26/2026
4h 16m
No alerts
Replay Analysis
N37422BOEING Boeing 737-900
→
8/26/2026
3h 36m
No alerts
Replay Analysis
N39463BOEING Boeing 737-900
→
8/25/2026
3h 4m
No alerts
Replay Analysis
N68802BOEING Boeing 737-900
→
8/24/2026
15m
No alerts
Replay Analysis
N68802BOEING Boeing 737-900
→
8/24/2026
3h 13m
No alerts
Replay Analysis
N77587BOEING Boeing 737 MAX 9
→
8/23/2026
3h 32m
No alerts
Replay Analysis
N57466BOEING Boeing 737 MAX 9
→
8/22/2026
2h 58m
△ Low approach-stability score
Replay Analysis
N27464BOEING Boeing 737 MAX 9
→
8/22/2026
45m
No alerts
Replay Analysis
N27464BOEING Boeing 737 MAX 9
→
8/21/2026
4h 16m
No alerts
Replay Analysis
N27464BOEING Boeing 737 MAX 9
→
8/21/2026
3h 31m
No alerts
Replay Analysis
N38451BOEING Boeing 737-900
→
8/21/2026
6m
No alerts
Replay Analysis
N38451BOEING Boeing 737-900
→
8/20/2026
3h 24m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window