UNITED AIRLINES INC· ICAO24 aa7e7d· last seen 18h ago

N77539 is a BOEING Boeing 737-800 operated by UNITED AIRLINES INC. SkyMeter has tracked 164 flights totalling 329 hours of airtime via ADS-B across 74 callsigns. The most frequent segment is CYVR to KDEN. Service window in our records spans 47 days. Of those flights, 16 (9.8%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion.

FLIGHTS
164
all time
FLOWN HOURS
329
tracked time
📍
AIRPORTS VISITED
30
unique
📡
CALLSIGNS
74
62 routes
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last
INCIDENT RATE
9.8%
16 flagged

Top routes

By flight count

10
3
3
2
2
2
2
1
1
1
1

Aircraft specifications

BOEING Boeing 737-800

Engines
Twin Jet
Vref (approach)
144 kt
MTOW
174,200 lb
Wingspan
117 ft
Length
130 ft
Wake category
Medium

Recent flights

Newest 50 operations of N77539

50
06/02/2026
2h 40m
△ Unstable
05/29/2026
1h 28m
△ Unstable
05/26/2026
1h 32m
△ Unstable
05/26/2026
1h 49m
△ Unstable
05/24/2026
1h 32m
△ Unstable
05/23/2026
4h 26m
No alerts
05/23/2026
4h 31m
No alerts
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