UAL1604

UNITED AIRLINES INC · SNA → SFO

UAL1604 is operated by UNITED AIRLINES INC between John Wayne Airport-Orange County Airport (KSNA) and San Francisco International Airport (KSFO). The flight is most often flown by a AIRBUS Airbus A319. Typical block time is 1h 58m. SkyMeter has observed 242 legs of this flight number via ADS-B.

✈
FLIGHTS
242
last 90 days
⏱
AVG DURATION
1h 58m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
10 / 10
city pairs · airframes
⚠
INCIDENT RATE
2.1%
5 flagged

Routes flown

By count · last 90 days

5
KSNA → KSFO
76
avg 1h 15m · John Wayne Airport-Orange County → San Francisco
KDEN → KRNO
69
avg 2h 21m · Denver → Reno Tahoe
KSFO → KDEN
58
avg 2h 40m · San Francisco → Denver
KHAF → KDEN
8
avg 2h 43m · Half Moon Bay → Denver
US-0188 → KDEN
2
avg 2h 35m · Coast Guard Air Station San Francisco → Denver

Aircraft types

Equipment used on this number

10
A319 AIRBUS Airbus A319
140
B738 BOEING Boeing 737-800
85
B753 BOEING Boeing 757-300
64
A320 AIRBUS Airbus A320
60
B38M BOEING Boeing 737 MAX 8
4
A21N AIRBUS Airbus A321 Neo
3
B739 BOEING Boeing 737-900
3
B789 BOEING Boeing 787-9 Dreamliner
3
B772 BOEING Boeing 777-200
3
B39M BOEING Boeing 737 MAX 9
1

Safety profile

Flagged flights · last 90 days

Go-arounds
4
Unstable approach
0
Rejected TO
1
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 UAL1604

30
N34282BOEING Boeing 737-800
→
08/21/2026
2h 10m
No alerts
Replay Analysis
N77530BOEING Boeing 737-800
→
08/18/2026
2h 4m
No alerts
Replay Analysis
N14230BOEING Boeing 737-800
→
08/18/2026
25m
↻ Go-around
Replay Analysis
N14230BOEING Boeing 737-800
→
08/17/2026
2h 3m
No alerts
Replay Analysis
N14230BOEING Boeing 737-800
→
08/17/2026
2h 29m
↻ Go-around
Replay Analysis
N17229BOEING Boeing 737-800
→
08/16/2026
2h 9m
No alerts
Replay Analysis
N24202BOEING Boeing 737-800
→
08/16/2026
2h 3m
No alerts
Replay Analysis
N39423BOEING Boeing 737-900
→
08/15/2026
42m
No alerts
Replay Analysis
N39423BOEING Boeing 737-900
→
08/14/2026
1h 58m
No alerts
Replay Analysis
N39423BOEING Boeing 737-900
→
08/14/2026
2h 41m
No alerts
Replay Analysis
N34222BOEING Boeing 737-800
→
08/14/2026
29m
No alerts
Replay Analysis
N34222BOEING Boeing 737-800
→
08/13/2026
1h 52m
No alerts
Replay Analysis
N34222BOEING Boeing 737-800
→
08/13/2026
2h 22m
No alerts
Replay Analysis
N87527BOEING Boeing 737-800
→
08/11/2026
1h 57m
No alerts
Replay Analysis
N444UAAIRBUS Airbus A320
→
08/11/2026
2h 19m
No alerts
Replay Analysis
N57869BOEING Boeing 757-300
→
08/10/2026
2h 44m
No alerts
Replay Analysis
N73275BOEING Boeing 737-800
→
08/10/2026
1h 0m
No alerts
Replay Analysis
N853UAAIRBUS Airbus A319
→
08/10/2026
33m
No alerts
Replay Analysis
N853UAAIRBUS Airbus A319
→
08/09/2026
1h 28m
No alerts
Replay Analysis
N853UAAIRBUS Airbus A319
→
08/09/2026
2h 2m
No alerts
Replay Analysis
N57864BOEING Boeing 757-300
→
08/09/2026
2h 36m
No alerts
Replay Analysis
N898UAAIRBUS Airbus A319
→
08/09/2026
59m
↻ Go-around
Replay Analysis
N898UAAIRBUS Airbus A319
→
08/08/2026
1h 54m
No alerts
Replay Analysis
N898UAAIRBUS Airbus A319
→
08/08/2026
2h 53m
↻ Go-around
Replay Analysis
N75858BOEING Boeing 757-300
→
08/08/2026
2h 43m
No alerts
Replay Analysis
N25201BOEING Boeing 737-800
→
08/08/2026
1h 2m
No alerts
Replay Analysis
N487UAAIRBUS Airbus A320
→
08/08/2026
58m
No alerts
Replay Analysis
N487UAAIRBUS Airbus A320
→
08/07/2026
1h 20m
No alerts
Replay Analysis
N487UAAIRBUS Airbus A320
→
08/07/2026
2h 19m
No alerts
Replay Analysis
N57857BOEING Boeing 757-300
→
08/07/2026
2h 30m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window