UAL373 is operated by UNITED AIRLINES INC between Daniel K Inouye International Airport (PHNL) and San Francisco International Airport (KSFO). The flight is most often flown by a BOEING Boeing 757-300. Typical block time is 3h 17m. SkyMeter has observed 179 legs of this flight number via ADS-B.

✈
FLIGHTS
179
last 90 days
⏱
AVG DURATION
3h 17m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
14 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.6%
1 flagged

Routes flown

By count · last 90 days

8
PHNL → KSFO
68
avg 4h 51m · Daniel K Inouye → San Francisco
KSFO → KAUS
27
avg 3h 30m · San Francisco → Austin Bergstrom
KSFO → KBNA
18
avg 4h 16m · San Francisco → Nashville
KHAF → KAUS
6
avg 3h 47m · Half Moon Bay → Austin Bergstrom
KHAF → KBNA
4
avg 4h 28m · Half Moon Bay → Nashville
US-1903 → KSFO
1
avg 5h 3m · Seabase Pier Helipad → San Francisco
KOAK → KBNA
1
avg 4h 2m · Metropolitan Oakland → Nashville
KOAK → KAUS
1
avg 3h 39m · Metropolitan Oakland → Austin Bergstrom

Aircraft types

Equipment used on this number

6
B753 BOEING Boeing 757-300
89
B738 BOEING Boeing 737-800
60
A319 AIRBUS Airbus A319
45
B739 BOEING Boeing 737-900
7
A320 AIRBUS Airbus A320
6
B39M BOEING Boeing 737 MAX 9
1

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 UAL373

30
N77871BOEING Boeing 757-300
→
08/21/2026
49m
No alerts
Replay Analysis
N485UAAIRBUS Airbus A320
→
08/18/2026
31m
No alerts
Replay Analysis
N57864BOEING Boeing 757-300
→
08/18/2026
4h 50m
No alerts
Replay Analysis
N77865BOEING Boeing 757-300
→
08/17/2026
4h 47m
No alerts
Replay Analysis
N488UAAIRBUS Airbus A320
→
08/17/2026
10m
No alerts
Replay Analysis
N488UAAIRBUS Airbus A320
→
08/17/2026
3h 6m
No alerts
Replay Analysis
N488UAAIRBUS Airbus A320
→
08/16/2026
3h 33m
No alerts
Replay Analysis
N488UAAIRBUS Airbus A320
→
08/16/2026
26m
No alerts
Replay Analysis
N77865BOEING Boeing 757-300
→
08/16/2026
47m
No alerts
Replay Analysis
N77865BOEING Boeing 757-300
→
08/16/2026
5h 6m
No alerts
Replay Analysis
N77865BOEING Boeing 757-300
→
08/16/2026
43m
No alerts
Replay Analysis
N39475BOEING Boeing 737-900
→
08/16/2026
28m
No alerts
Replay Analysis
N39475BOEING Boeing 737-900
→
08/16/2026
2h 51m
No alerts
Replay Analysis
N39475BOEING Boeing 737-900
→
08/15/2026
3h 45m
No alerts
Replay Analysis
N39475BOEING Boeing 737-900
→
08/15/2026
53m
No alerts
Replay Analysis
N75853BOEING Boeing 757-300
→
08/15/2026
4h 59m
No alerts
Replay Analysis
N77295BOEING Boeing 737-800
→
08/15/2026
27m
No alerts
Replay Analysis
N77295BOEING Boeing 737-800
→
08/15/2026
3h 53m
No alerts
Replay Analysis
N57869BOEING Boeing 757-300
→
08/14/2026
4h 53m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
08/14/2026
11m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
08/14/2026
3h 12m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
08/13/2026
3h 58m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
08/13/2026
45m
No alerts
Replay Analysis
N57869BOEING Boeing 757-300
→
08/13/2026
4h 56m
No alerts
Replay Analysis
N57869BOEING Boeing 757-300
→
08/12/2026
16m
No alerts
Replay Analysis
N447UAAIRBUS Airbus A320
→
08/12/2026
3h 41m
No alerts
Replay Analysis
N57869BOEING Boeing 757-300
→
08/11/2026
4h 55m
No alerts
Replay Analysis
N838UAAIRBUS Airbus A319
→
08/11/2026
4h 24m
No alerts
Replay Analysis
N57862BOEING Boeing 757-300
→
08/10/2026
4h 58m
No alerts
Replay Analysis
N825UAAIRBUS Airbus A319
→
08/10/2026
4h 6m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window