N45440

B739BOEING Boeing 737-900

UNITED AIRLINES INC· ICAO24 a583f5· last seen Apr 2026

N45440 is a BOEING Boeing 737-900 operated by UNITED AIRLINES INC. SkyMeter has tracked 56 flights totalling 135 hours of airtime via ADS-B across 25 callsigns. The most frequent segment is KRSW to KORD. Service window in our records spans 9 days. Of those flights, 2 (3.6%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion.

✈
FLIGHTS
56
all time
⏱
FLOWN HOURS
135
tracked time
📍
AIRPORTS VISITED
14
unique
📡
CALLSIGNS
25
24 routes
📅
SERVICE PERIOD
04/05/2026 → 04/14/2026
first → last
⚠
INCIDENT RATE
3.6%
2 flagged

Top routes

By flight count

10
KRSW → KORD
2
KORD → KFMY
1
KORD → KPBI
1
KEWR → KMSY
1
KMIA → KEWR
1
KPBI → KEWR
1
KIAH → KIAD
1
KMSY → KIAH
1
KEWR → KORD
1
K9X1 → KIAD
1

Flight numbers

Most-flown by this airframe

10
None 4
UAL657 1
UAL1463 1
UAL1373 1
UAL1124 1
UAL1131 1
UAL1400 1
UAL555 1
UAL8104 1
UAL2231 1

Aircraft specifications

BOEING Boeing 737-900

Engines
Twin Jet
Vref (approach)
149 kt
MTOW
187,700 lb
Wingspan
117 ft
Length
138 ft
Wake category
Medium

Recent flights

Newest 30 operations of N45440

30
NoneBOEING Boeing 737-900
→
04/14/2026
10m
No alerts
Replay Analysis
NoneBOEING Boeing 737-900
→
04/14/2026
39m
No alerts
Replay Analysis
NoneBOEING Boeing 737-900
→
04/14/2026
45m
No alerts
Replay Analysis
UAL3897BOEING Boeing 737-900
→
04/13/2026
59m
No alerts
Replay Analysis
UAL1463BOEING Boeing 737-900
→
04/13/2026
31m
No alerts
Replay Analysis
UAL420BOEING Boeing 737-900
→
04/12/2026
8h 23m
No alerts
Replay Analysis
UAL1131BOEING Boeing 737-900
→
04/12/2026
2h 48m
No alerts
Replay Analysis
UAL1887BOEING Boeing 737-900
→
04/12/2026
2h 29m
No alerts
Replay Analysis
UAL2078BOEING Boeing 737-900
→
04/11/2026
2h 5m
No alerts
Replay Analysis
UAL1277BOEING Boeing 737-900
→
04/11/2026
1h 39m
No alerts
Replay Analysis
UAL2231BOEING Boeing 737-900
→
04/11/2026
2h 10m
No alerts
Replay Analysis
UAL657BOEING Boeing 737-900
→
04/11/2026
2h 33m
No alerts
Replay Analysis
UAL8104BOEING Boeing 737-900
→
04/11/2026
2h 38m
No alerts
Replay Analysis
UAL2180BOEING Boeing 737-900
→
04/10/2026
2h 26m
No alerts
Replay Analysis
NoneBOEING Boeing 737-900
→
04/10/2026
5m
No alerts
Replay Analysis
UAL1196BOEING Boeing 737-900
→
04/09/2026
2h 42m
No alerts
Replay Analysis
UAL1154BOEING Boeing 737-900
→
04/09/2026
3h 24m
No alerts
Replay Analysis
UAL1373BOEING Boeing 737-900
→
04/09/2026
2h 40m
No alerts
Replay Analysis
UAL1654BOEING Boeing 737-900
→
04/08/2026
56m
No alerts
Replay Analysis
UAL2468BOEING Boeing 737-900
→
04/08/2026
2h 46m
No alerts
Replay Analysis
UAL1598BOEING Boeing 737-900
→
04/08/2026
2h 25m
No alerts
Replay Analysis
UAL1400BOEING Boeing 737-900
→
04/07/2026
2h 46m
No alerts
Replay Analysis
UAL2857BOEING Boeing 737-900
→
04/07/2026
2h 47m
No alerts
Replay Analysis
UAL1807BOEING Boeing 737-900
→
04/06/2026
2h 36m
No alerts
Replay Analysis
UAL2347BOEING Boeing 737-900
→
04/06/2026
2h 40m
No alerts
Replay Analysis
UAL2618BOEING Boeing 737-900
→
04/06/2026
5m
△ Unstable
Replay Analysis
UAL2618BOEING Boeing 737-900
→
04/05/2026
2h 30m
△ Unstable
Replay Analysis
UAL2618BOEING Boeing 737-900
→
04/05/2026
2h 25m
No alerts
Replay Analysis
UAL1124BOEING Boeing 737-900
→
04/05/2026
3h 30m
No alerts
Replay Analysis
UAL555BOEING Boeing 737-900
→
04/05/2026
5h 10m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution