N77431

B739BOEING Boeing 737-900

UNITED AIRLINES INC· ICAO24 aa7abe· last seen 1d ago

N77431 is a BOEING Boeing 737-900 operated by UNITED AIRLINES INC. SkyMeter has tracked 336 flights totalling 881 hours of airtime via ADS-B across 144 callsigns. The most frequent segment is KMSY to KIAD. Service window in our records spans 60 days. Of those flights, 10 (3.0%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion.

✈
FLIGHTS
336
all time
⏱
FLOWN HOURS
881
tracked time
📍
AIRPORTS VISITED
41
unique
📡
CALLSIGNS
144
123 routes
📅
SERVICE PERIOD
04/04/2026 → 06/03/2026
first → last
⚠
INCIDENT RATE
3.0%
10 flagged

Top routes

By flight count

10
KMSY → KIAD
4
KSFO → KLAX
3
KIAD → KIAH
3
KRDU → KIAD
3
KSAN → KSFO
3
KORD → KSMF
3
KLAX → KIAH
3
KIAD → KSAN
2
KLAS → KORD
2
KORD → KMSY
2

Flight numbers

Most-flown by this airframe

10
UAL1635 3
UAL1145 3
UAL1535 3
UAL1392 3
UAL1932 2
UAL2163 2
UAL1743 2
UAL622 2
UAL2194 2
UAL2331 2

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 50 operations of N77431

50
UAL2136BOEING Boeing 737-900
→
06/03/2026
20m
No alerts
Replay Analysis
UAL1957BOEING Boeing 737-900
→
06/03/2026
3h 38m
No alerts
Replay Analysis
UAL2608BOEING Boeing 737-900
→
06/03/2026
2h 59m
No alerts
Replay Analysis
UAL1448BOEING Boeing 737-900
→
06/02/2026
17m
No alerts
Replay Analysis
UAL1051BOEING Boeing 737-900
→
06/02/2026
49m
No alerts
Replay Analysis
UAL1018BOEING Boeing 737-900
→
06/02/2026
26m
No alerts
Replay Analysis
UAL2419BOEING Boeing 737-900
→
06/02/2026
2h 29m
No alerts
Replay Analysis
UAL624BOEING Boeing 737-900
→
06/02/2026
1h 22m
No alerts
Replay Analysis
UAL624BOEING Boeing 737-900
→
06/01/2026
20m
No alerts
Replay Analysis
UAL455BOEING Boeing 737-900
→
06/01/2026
3h 18m
No alerts
Replay Analysis
UAL622BOEING Boeing 737-900
→
06/01/2026
58m
No alerts
Replay Analysis
UAL2823BOEING Boeing 737-900
→
06/01/2026
1h 4m
No alerts
Replay Analysis
UAL1672BOEING Boeing 737-900
→
06/01/2026
3h 12m
No alerts
Replay Analysis
UAL1875BOEING Boeing 737-900
→
06/01/2026
37m
No alerts
Replay Analysis
UAL1875BOEING Boeing 737-900
→
05/31/2026
2h 27m
No alerts
Replay Analysis
UAL1875BOEING Boeing 737-900
→
05/31/2026
3h 29m
No alerts
Replay Analysis
UAL2331BOEING Boeing 737-900
→
05/31/2026
2h 13m
No alerts
Replay Analysis
UAL1392BOEING Boeing 737-900
→
05/31/2026
2h 9m
No alerts
Replay Analysis
UAL1761BOEING Boeing 737-900
→
05/31/2026
2h 13m
No alerts
Replay Analysis
UAL1568BOEING Boeing 737-900
→
05/29/2026
13m
No alerts
Replay Analysis
UAL794BOEING Boeing 737-900
→
05/29/2026
40m
No alerts
Replay Analysis
UAL622BOEING Boeing 737-900
→
05/29/2026
27m
No alerts
Replay Analysis
UAL1492BOEING Boeing 737-900
→
05/29/2026
1h 16m
No alerts
Replay Analysis
UAL1148BOEING Boeing 737-900
→
05/29/2026
3h 50m
No alerts
Replay Analysis
UAL1828BOEING Boeing 737-900
→
05/29/2026
3h 50m
No alerts
Replay Analysis
UAL2737BOEING Boeing 737-900
→
05/28/2026
3h 33m
No alerts
Replay Analysis
UAL2736BOEING Boeing 737-900
→
05/28/2026
3h 19m
No alerts
Replay Analysis
UAL1962BOEING Boeing 737-900
→
05/28/2026
3h 38m
No alerts
Replay Analysis
UAL1213BOEING Boeing 737-900
→
05/28/2026
4h 48m
No alerts
Replay Analysis
UAL2323BOEING Boeing 737-900
→
05/27/2026
1h 55m
No alerts
Replay Analysis
UAL1056BOEING Boeing 737-900
→
05/26/2026
1h 49m
No alerts
Replay Analysis
UAL1014BOEING Boeing 737-900
→
05/26/2026
31m
No alerts
Replay Analysis
UAL2665BOEING Boeing 737-900
→
05/26/2026
2h 27m
No alerts
Replay Analysis
UAL2798BOEING Boeing 737-900
→
05/26/2026
43m
No alerts
Replay Analysis
UAL2798BOEING Boeing 737-900
→
05/25/2026
2h 5m
No alerts
Replay Analysis
UAL2798BOEING Boeing 737-900
→
05/25/2026
2h 49m
No alerts
Replay Analysis
UAL1701BOEING Boeing 737-900
→
05/25/2026
3h 58m
No alerts
Replay Analysis
UAL1666BOEING Boeing 737-900
→
05/25/2026
2h 42m
No alerts
Replay Analysis
UAL1615BOEING Boeing 737-900
→
05/25/2026
2h 9m
No alerts
Replay Analysis
UAL1615BOEING Boeing 737-900
→
05/25/2026
20m
No alerts
Replay Analysis
UAL1662BOEING Boeing 737-900
→
05/24/2026
1h 12m
No alerts
Replay Analysis
UAL1963BOEING Boeing 737-900
→
05/24/2026
1h 26m
△ Unstable
Replay Analysis
UAL1912BOEING Boeing 737-900
→
05/24/2026
2h 10m
△ Unstable
Replay Analysis
UAL1743BOEING Boeing 737-900
→
05/24/2026
2h 28m
No alerts
Replay Analysis
UAL1743BOEING Boeing 737-900
→
05/23/2026
37m
No alerts
Replay Analysis
UAL1743BOEING Boeing 737-900
→
05/23/2026
3h 6m
No alerts
Replay Analysis
UAL1535BOEING Boeing 737-900
→
05/23/2026
3h 46m
No alerts
Replay Analysis
UAL2066BOEING Boeing 737-900
→
05/23/2026
37m
No alerts
Replay Analysis
UAL2112BOEING Boeing 737-900
→
05/23/2026
45m
No alerts
Replay Analysis
UAL1373BOEING Boeing 737-900
→
05/23/2026
2h 36m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution