Flight Status & Tracker

UAL643

UNITED AIRLINES INC · SFO → SNA · Last tracked Nov 11, 2026

UAL643 is a flight number operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and John Wayne Airport-Orange County Airport (KSNA). SkyMeter last tracked UAL643 on November 11, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 1h 46m. SkyMeter has observed 223 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
223
last 90 days
⏱
AVG DURATION
1h 46m
tracked time
📅
SERVICE PERIOD
5/28/2025 → 11/11/2026
first → last seen
🗺
ROUTES / TYPES
10 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KSFO → KSNA
64
avg 1h 32m · San Francisco → John Wayne Airport-Orange County
KLAS → KSFO
61
avg 1h 24m · McCarran → San Francisco
KSNA → KIAH
54
avg 2h 53m · John Wayne Airport-Orange County → George Bush Intercontinental Houston
KHAF → KSNA
3
avg 1h 38m · Half Moon Bay → John Wayne Airport-Orange County
US-0188 → KSNA
2
avg 1h 26m · Coast Guard Air Station San Francisco → John Wayne Airport-Orange County
KOAK → KSNA
1
avg 1h 31m · Metropolitan Oakland → John Wayne Airport-Orange County

Aircraft types

Equipment used on this number

5
B38M BOEING Boeing 737 MAX 8
219
B737 BOEING Boeing 737-700
61
B39M BOEING Boeing 737 MAX 9
23
B739 BOEING Boeing 737-900
13
B738 BOEING Boeing 737-800
12

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
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 UAL643

30
N37371BOEING Boeing 737 MAX 8
→
11/11/2026
1h 2m
No alerts
Replay Analysis
N47282BOEING Boeing 737 MAX 8
→
11/11/2026
1h 21m
No alerts
Replay Analysis
N37548BOEING Boeing 737 MAX 9
→
11/11/2026
1h 20m
No alerts
Replay Analysis
N27287BOEING Boeing 737 MAX 8
→
11/11/2026
1h 39m
No alerts
Replay Analysis
N17358BOEING Boeing 737 MAX 8
→
11/10/2026
1h 2m
No alerts
Replay Analysis
N47280BOEING Boeing 737 MAX 8
→
11/9/2026
1h 27m
No alerts
Replay Analysis
N17321BOEING Boeing 737 MAX 8
→
11/8/2026
1h 28m
No alerts
Replay Analysis
N27266BOEING Boeing 737 MAX 8
→
11/8/2026
54m
No alerts
Replay Analysis
N17262BOEING Boeing 737 MAX 8
→
11/7/2026
1h 22m
No alerts
Replay Analysis
N17458BOEING Boeing 737 MAX 9
→
11/7/2026
1h 25m
No alerts
Replay Analysis
N47275BOEING Boeing 737 MAX 8
→
11/7/2026
2h 59m
No alerts
Replay Analysis
N37297BOEING Boeing 737 MAX 8
→
11/6/2026
1h 30m
No alerts
Replay Analysis
N17594BOEING Boeing 737-900
→
11/6/2026
1h 23m
No alerts
Replay Analysis
N47281BOEING Boeing 737 MAX 8
→
11/6/2026
1h 33m
No alerts
Replay Analysis
N47281BOEING Boeing 737 MAX 8
→
11/5/2026
1h 10m
No alerts
Replay Analysis
N47281BOEING Boeing 737 MAX 8
→
11/5/2026
2h 44m
No alerts
Replay Analysis
N17336BOEING Boeing 737 MAX 8
→
11/5/2026
1h 40m
No alerts
Replay Analysis
N37510BOEING Boeing 737 MAX 9
→
11/5/2026
1h 27m
No alerts
Replay Analysis
N67350BOEING Boeing 737 MAX 8
→
11/5/2026
1h 35m
No alerts
Replay Analysis
N67350BOEING Boeing 737 MAX 8
→
11/4/2026
1h 1m
No alerts
Replay Analysis
N67350BOEING Boeing 737 MAX 8
→
11/4/2026
2h 37m
No alerts
Replay Analysis
N77536BOEING Boeing 737-800
→
11/4/2026
1h 31m
No alerts
Replay Analysis
N17583BOEING Boeing 737 MAX 9
→
11/4/2026
1h 30m
No alerts
Replay Analysis
N27268BOEING Boeing 737 MAX 8
→
11/4/2026
2h 45m
No alerts
Replay Analysis
N17362BOEING Boeing 737 MAX 8
→
11/3/2026
1h 25m
No alerts
Replay Analysis
N37502BOEING Boeing 737 MAX 9
→
11/3/2026
1h 38m
No alerts
Replay Analysis
N47281BOEING Boeing 737 MAX 8
→
11/3/2026
1h 45m
No alerts
Replay Analysis
N77539BOEING Boeing 737-800
→
11/2/2026
1h 35m
No alerts
Replay Analysis
N17262BOEING Boeing 737 MAX 8
→
11/2/2026
1h 49m
No alerts
Replay Analysis
N17338BOEING Boeing 737 MAX 8
→
11/1/2026
1h 32m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window