N78438

B739BOEING Boeing 737-900

UNITED AIRLINES INC, ATTN TREASURER· ICAO24 aaa244· last seen 1d ago

N78438 is a BOEING Boeing 737-900 operated by UNITED AIRLINES INC, ATTN TREASURER. SkyMeter has tracked 240 flights totalling 542 hours of airtime via ADS-B across 102 callsigns. The most frequent segment is KDEN to KLAX. Service window in our records spans 47 days. Of those flights, 6 (2.5%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion.

✈
FLIGHTS
240
all time
⏱
FLOWN HOURS
542
tracked time
📍
AIRPORTS VISITED
43
unique
📡
CALLSIGNS
102
98 routes
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last
⚠
INCIDENT RATE
2.5%
6 flagged

Top routes

By flight count

10
KDEN → KLAX
4
KSFO → KLAX
3
KIAD → KDEN
3
KDEN → KSAN
2
KIAD → KIAH
2
KSAN → KDEN
2
KPHX → KSFO
2
KSFO → CYVR
1
KABQ → KDEN
1
FL94 → KIAH
1

Flight numbers

Most-flown by this airframe

10
UAL2741 4
UAL1273 2
UAL774 2
UAL793 2
UAL1145 2
None 2
UAL495 2
UAL779 2
UAL1942 2
UAL293 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 N78438

50
UAL1863BOEING Boeing 737-900
→
06/03/2026
2h 24m
No alerts
Replay Analysis
UAL1642BOEING Boeing 737-900
→
06/03/2026
4h 47m
No alerts
Replay Analysis
UAL1141BOEING Boeing 737-900
→
06/03/2026
1h 56m
No alerts
Replay Analysis
UAL574BOEING Boeing 737-900
→
06/03/2026
1h 32m
No alerts
Replay Analysis
UAL574BOEING Boeing 737-900
→
06/02/2026
2h 9m
No alerts
Replay Analysis
UAL574BOEING Boeing 737-900
→
06/02/2026
37m
No alerts
Replay Analysis
UAL1375BOEING Boeing 737-900
→
06/02/2026
1h 0m
No alerts
Replay Analysis
UAL430BOEING Boeing 737-900
→
06/02/2026
2h 33m
No alerts
Replay Analysis
UAL2802BOEING Boeing 737-900
→
06/02/2026
2h 35m
No alerts
Replay Analysis
UAL8130BOEING Boeing 737-900
→
06/02/2026
3h 31m
No alerts
Replay Analysis
UAL589BOEING Boeing 737-900
→
06/02/2026
46m
No alerts
Replay Analysis
UAL589BOEING Boeing 737-900
→
06/01/2026
3h 6m
No alerts
Replay Analysis
UAL589BOEING Boeing 737-900
→
06/01/2026
3h 53m
No alerts
Replay Analysis
UAL470BOEING Boeing 737-900
→
06/01/2026
2h 8m
No alerts
Replay Analysis
UAL1966BOEING Boeing 737-900
→
06/01/2026
2h 0m
No alerts
Replay Analysis
UAL2741BOEING Boeing 737-900
→
05/31/2026
1h 21m
No alerts
Replay Analysis
UAL2741BOEING Boeing 737-900
→
05/31/2026
8m
No alerts
Replay Analysis
UAL2741BOEING Boeing 737-900
→
05/31/2026
10m
No alerts
Replay Analysis
UAL2741BOEING Boeing 737-900
→
05/31/2026
51m
No alerts
Replay Analysis
UAL1145BOEING Boeing 737-900
→
05/31/2026
11h 23m
No alerts
Replay Analysis
UAL1273BOEING Boeing 737-900
→
05/31/2026
3h 52m
No alerts
Replay Analysis
UAL1691BOEING Boeing 737-900
→
05/29/2026
2h 34m
No alerts
Replay Analysis
NoneBOEING Boeing 737-900
→
05/29/2026
7m
No alerts
Replay Analysis
UAL1733BOEING Boeing 737-900
→
05/29/2026
2h 27m
No alerts
Replay Analysis
UAL2443BOEING Boeing 737-900
→
05/29/2026
1h 27m
No alerts
Replay Analysis
UAL2443BOEING Boeing 737-900
→
05/28/2026
29m
No alerts
Replay Analysis
UAL2443BOEING Boeing 737-900
→
05/28/2026
1h 58m
No alerts
Replay Analysis
UAL1623BOEING Boeing 737-900
→
05/28/2026
1h 54m
No alerts
Replay Analysis
UAL1623BOEING Boeing 737-900
→
05/28/2026
56m
No alerts
Replay Analysis
UAL1765BOEING Boeing 737-900
→
05/28/2026
3h 4m
No alerts
Replay Analysis
UAL2155BOEING Boeing 737-900
→
05/28/2026
2h 42m
No alerts
Replay Analysis
UAL1430BOEING Boeing 737-900
→
05/26/2026
34m
No alerts
Replay Analysis
UAL1799BOEING Boeing 737-900
→
05/26/2026
1h 37m
No alerts
Replay Analysis
UAL1799BOEING Boeing 737-900
→
05/26/2026
7m
No alerts
Replay Analysis
UAL611BOEING Boeing 737-900
→
05/26/2026
44m
No alerts
Replay Analysis
UAL611BOEING Boeing 737-900
→
05/26/2026
1h 24m
△ Unstable
Replay Analysis
UAL2322BOEING Boeing 737-900
→
05/26/2026
2h 12m
No alerts
Replay Analysis
UAL2760BOEING Boeing 737-900
→
05/26/2026
2h 31m
No alerts
Replay Analysis
UAL684BOEING Boeing 737-900
→
05/26/2026
37m
No alerts
Replay Analysis
UAL684BOEING Boeing 737-900
→
05/25/2026
4h 48m
No alerts
Replay Analysis
UAL684BOEING Boeing 737-900
→
05/25/2026
5h 26m
No alerts
Replay Analysis
UAL1869BOEING Boeing 737-900
→
05/25/2026
1h 23m
No alerts
Replay Analysis
UAL293BOEING Boeing 737-900
→
05/25/2026
1h 8m
No alerts
Replay Analysis
UAL1850BOEING Boeing 737-900
→
05/25/2026
1h 5m
No alerts
Replay Analysis
UAL2798BOEING Boeing 737-900
→
05/25/2026
1h 8m
No alerts
Replay Analysis
UAL2798BOEING Boeing 737-900
→
05/24/2026
2h 49m
No alerts
Replay Analysis
UAL2798BOEING Boeing 737-900
→
05/24/2026
1h 40m
No alerts
Replay Analysis
UAL1701BOEING Boeing 737-900
→
05/24/2026
3h 48m
No alerts
Replay Analysis
UAL1607BOEING Boeing 737-900
→
05/24/2026
2h 29m
No alerts
Replay Analysis
UAL1572BOEING Boeing 737-900
→
05/24/2026
4h 5m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution