UAL427 is operated by UNITED AIRLINES INC between San Diego International Airport (KSAN) and Newark Liberty International Airport (KEWR). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 4h 24m. SkyMeter has observed 52 legs of this flight number via ADS-B.

✈
FLIGHTS
52
last 90 days
⏱
AVG DURATION
4h 24m
tracked time
📅
SERVICE PERIOD
04/06/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
4 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.9%
1 flagged

Routes flown

By count · last 90 days

1
KSAN → KEWR
36
avg 5h 10m · San Diego → Newark Liberty

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
39
B739 BOEING Boeing 737-900
34
B39M BOEING Boeing 737 MAX 9
11

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of UAL427

30
N77558BOEING Boeing 737 MAX 9
→
06/03/2026
5h 2m
No alerts
Replay Analysis
N17589BOEING Boeing 737 MAX 9
→
06/02/2026
5h 12m
No alerts
Replay Analysis
N17328BOEING Boeing 737 MAX 8
→
06/01/2026
2h 31m
No alerts
Replay Analysis
N17328BOEING Boeing 737 MAX 8
→
05/31/2026
2h 30m
No alerts
Replay Analysis
N17328BOEING Boeing 737 MAX 8
→
05/31/2026
5h 2m
No alerts
Replay Analysis
N37257BOEING Boeing 737 MAX 8
→
05/31/2026
2h 46m
No alerts
Replay Analysis
N27253BOEING Boeing 737 MAX 8
→
05/29/2026
2h 20m
No alerts
Replay Analysis
N17344BOEING Boeing 737 MAX 8
→
05/29/2026
2h 18m
No alerts
Replay Analysis
N17344BOEING Boeing 737 MAX 8
→
05/28/2026
2h 43m
No alerts
Replay Analysis
N17344BOEING Boeing 737 MAX 8
→
05/28/2026
5h 1m
No alerts
Replay Analysis
N47275BOEING Boeing 737 MAX 8
→
05/28/2026
2h 37m
No alerts
Replay Analysis
N27251BOEING Boeing 737 MAX 8
→
05/27/2026
2h 43m
No alerts
Replay Analysis
N27251BOEING Boeing 737 MAX 8
→
05/26/2026
2h 40m
No alerts
Replay Analysis
N27251BOEING Boeing 737 MAX 8
→
05/26/2026
5h 24m
No alerts
Replay Analysis
N77259BOEING Boeing 737 MAX 8
→
05/26/2026
2h 46m
No alerts
Replay Analysis
N77259BOEING Boeing 737 MAX 8
→
05/25/2026
5h 10m
No alerts
Replay Analysis
N77259BOEING Boeing 737 MAX 8
→
05/25/2026
2h 23m
No alerts
Replay Analysis
N47284BOEING Boeing 737 MAX 8
→
05/25/2026
2h 23m
No alerts
Replay Analysis
N47284BOEING Boeing 737 MAX 8
→
05/24/2026
4h 57m
No alerts
Replay Analysis
N47284BOEING Boeing 737 MAX 8
→
05/24/2026
2h 33m
No alerts
Replay Analysis
N37318BOEING Boeing 737 MAX 8
→
05/24/2026
2h 39m
No alerts
Replay Analysis
N37318BOEING Boeing 737 MAX 8
→
05/23/2026
2h 45m
No alerts
Replay Analysis
N37318BOEING Boeing 737 MAX 8
→
05/23/2026
5h 24m
No alerts
Replay Analysis
N47282BOEING Boeing 737 MAX 8
→
05/23/2026
3h 42m
No alerts
Replay Analysis
N47282BOEING Boeing 737 MAX 8
→
05/22/2026
46m
No alerts
Replay Analysis
N17328BOEING Boeing 737 MAX 8
→
05/22/2026
2h 25m
No alerts
Replay Analysis
N17328BOEING Boeing 737 MAX 8
→
05/21/2026
2h 40m
No alerts
Replay Analysis
N17328BOEING Boeing 737 MAX 8
→
05/21/2026
5h 6m
No alerts
Replay Analysis
N47332BOEING Boeing 737 MAX 8
→
05/21/2026
4h 13m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
05/18/2026
3h 11m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window