N37440

B39MBOEING Boeing 737 MAX 9

UNITED AIRLINES INC· ICAO24 a445a4· last seen 2d ago

N37440 is a BOEING Boeing 737 MAX 9 operated by UNITED AIRLINES INC. SkyMeter has tracked 306 flights totalling 956 hours of airtime via ADS-B across 128 callsigns. The most frequent segment is KORD to KPHX. Service window in our records spans 52 days. Of those flights, 4 (1.3%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion.

✈
FLIGHTS
306
all time
⏱
FLOWN HOURS
956
tracked time
📍
AIRPORTS VISITED
35
unique
📡
CALLSIGNS
128
111 routes
📅
SERVICE PERIOD
04/12/2026 → 06/03/2026
first → last
⚠
INCIDENT RATE
1.3%
4 flagged

Top routes

By flight count

10
KORD → KPHX
3
KMCO → KSFO
3
KORD → KIAH
3
KIAH → KFLL
2
KLAX → KMCO
2
KSFO → KIAD
2
KSFO → KMCO
2
KPHX → KORD
2
KIAH → KSFO
2
KSAN → KIAD
2

Flight numbers

Most-flown by this airframe

10
UAL2638 3
UAL2335 2
UAL1730 2
UAL298 2
UAL2325 2
UAL1799 2
UAL602 2
UAL1277 2
UAL1986 2
UAL555 2

Aircraft specifications

BOEING Boeing 737 MAX 9

Engines
Twin Jet
Vref (approach)
150 kt
MTOW
194,700 lb
Wingspan
118 ft
Length
138 ft
Wake category
Medium

Recent flights

Newest 50 operations of N37440

50
UAL2661BOEING Boeing 737 MAX 9
→
06/03/2026
5h 21m
No alerts
Replay Analysis
UAL2340BOEING Boeing 737 MAX 9
→
06/02/2026
4h 57m
No alerts
Replay Analysis
UAL2363BOEING Boeing 737 MAX 9
→
06/02/2026
1h 15m
No alerts
Replay Analysis
UAL2028BOEING Boeing 737 MAX 9
→
06/02/2026
2h 26m
No alerts
Replay Analysis
UAL2012BOEING Boeing 737 MAX 9
→
06/02/2026
41m
No alerts
Replay Analysis
UAL2012BOEING Boeing 737 MAX 9
→
06/01/2026
3h 26m
No alerts
Replay Analysis
UAL2012BOEING Boeing 737 MAX 9
→
06/01/2026
4h 8m
No alerts
Replay Analysis
UAL1418BOEING Boeing 737 MAX 9
→
06/01/2026
2h 53m
No alerts
Replay Analysis
UAL1767BOEING Boeing 737 MAX 9
→
06/01/2026
1h 18m
No alerts
Replay Analysis
UAL2325BOEING Boeing 737 MAX 9
→
06/01/2026
1h 5m
No alerts
Replay Analysis
UAL2325BOEING Boeing 737 MAX 9
→
05/31/2026
2h 31m
No alerts
Replay Analysis
UAL2273BOEING Boeing 737 MAX 9
→
05/31/2026
2h 48m
No alerts
Replay Analysis
UAL670BOEING Boeing 737 MAX 9
→
05/31/2026
4h 3m
△ Unstable
Replay Analysis
UAL1986BOEING Boeing 737 MAX 9
→
05/29/2026
43m
No alerts
Replay Analysis
UAL1784BOEING Boeing 737 MAX 9
→
05/29/2026
4h 12m
No alerts
Replay Analysis
UAL1139BOEING Boeing 737 MAX 9
→
05/29/2026
7m
No alerts
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UAL1139BOEING Boeing 737 MAX 9
→
05/29/2026
4h 46m
No alerts
Replay Analysis
UAL1162BOEING Boeing 737 MAX 9
→
05/29/2026
3h 29m
No alerts
Replay Analysis
UAL569BOEING Boeing 737 MAX 9
→
05/29/2026
2h 50m
No alerts
Replay Analysis
UAL569BOEING Boeing 737 MAX 9
→
05/28/2026
30m
No alerts
Replay Analysis
UAL569BOEING Boeing 737 MAX 9
→
05/28/2026
3h 20m
No alerts
Replay Analysis
UAL1340BOEING Boeing 737 MAX 9
→
05/28/2026
3h 1m
No alerts
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UAL2438BOEING Boeing 737 MAX 9
→
05/28/2026
3h 25m
No alerts
Replay Analysis
UAL681BOEING Boeing 737 MAX 9
→
05/27/2026
2h 5m
No alerts
Replay Analysis
UAL1480BOEING Boeing 737 MAX 9
→
05/27/2026
2h 11m
No alerts
Replay Analysis
UAL620BOEING Boeing 737 MAX 9
→
05/26/2026
1h 47m
No alerts
Replay Analysis
UAL2452BOEING Boeing 737 MAX 9
→
05/26/2026
53m
No alerts
Replay Analysis
UAL2126BOEING Boeing 737 MAX 9
→
05/26/2026
3h 51m
No alerts
Replay Analysis
UAL1986BOEING Boeing 737 MAX 9
→
05/26/2026
4h 20m
No alerts
Replay Analysis
UAL1986BOEING Boeing 737 MAX 9
→
05/25/2026
12m
No alerts
Replay Analysis
UAL1986BOEING Boeing 737 MAX 9
→
05/25/2026
4h 33m
No alerts
Replay Analysis
UAL620BOEING Boeing 737 MAX 9
→
05/25/2026
8h 20m
No alerts
Replay Analysis
UAL1526BOEING Boeing 737 MAX 9
→
05/25/2026
20m
No alerts
Replay Analysis
UAL420BOEING Boeing 737 MAX 9
→
05/24/2026
8h 30m
No alerts
Replay Analysis
UAL492BOEING Boeing 737 MAX 9
→
05/24/2026
3h 29m
No alerts
Replay Analysis
UAL2235BOEING Boeing 737 MAX 9
→
05/24/2026
2h 24m
No alerts
Replay Analysis
UAL246BOEING Boeing 737 MAX 9
→
05/24/2026
15m
No alerts
Replay Analysis
UAL246BOEING Boeing 737 MAX 9
→
05/23/2026
4h 1m
No alerts
Replay Analysis
UAL246BOEING Boeing 737 MAX 9
→
05/23/2026
4h 16m
No alerts
Replay Analysis
UAL2855BOEING Boeing 737 MAX 9
→
05/23/2026
5h 21m
No alerts
Replay Analysis
UAL1730BOEING Boeing 737 MAX 9
→
05/23/2026
4h 49m
No alerts
Replay Analysis
UAL2372BOEING Boeing 737 MAX 9
→
05/23/2026
1h 11m
No alerts
Replay Analysis
UAL298BOEING Boeing 737 MAX 9
→
05/22/2026
2h 9m
No alerts
Replay Analysis
UAL298BOEING Boeing 737 MAX 9
→
05/21/2026
2h 19m
No alerts
Replay Analysis
UAL298BOEING Boeing 737 MAX 9
→
05/21/2026
4h 28m
No alerts
Replay Analysis
UAL213BOEING Boeing 737 MAX 9
→
05/21/2026
1h 39m
No alerts
Replay Analysis
UAL1893BOEING Boeing 737 MAX 9
→
05/21/2026
1h 47m
No alerts
Replay Analysis
UAL1112BOEING Boeing 737 MAX 9
→
05/21/2026
4h 53m
No alerts
Replay Analysis
UAL8108BOEING Boeing 737 MAX 9
→
05/21/2026
5h 23m
No alerts
Replay Analysis
UAL1277BOEING Boeing 737 MAX 9
→
05/20/2026
2h 36m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution