UNITED AIRLINES INC· ICAO24 a44521· last seen 16h ago

N37409 is a BOEING Boeing 737-900 operated by UNITED AIRLINES INC. SkyMeter has tracked 172 flights totalling 356 hours of airtime via ADS-B across 54 callsigns. The most frequent segment is KPHX to KIAH. Service window in our records spans 47 days. Of those flights, 6 (3.5%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion.

FLIGHTS
172
all time
FLOWN HOURS
356
tracked time
📍
AIRPORTS VISITED
21
unique
📡
CALLSIGNS
54
50 routes
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last
INCIDENT RATE
3.5%
6 flagged

Top routes

By flight count

10
8
6
4
4
4
4
2
2
2
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 N37409

50
06/01/2026
1h 3m
△ Unstable
© SkyMeter · All flight data subject to ODbL attribution