UAL3931

UNITED AIRLINES INC · LAX → SFO

UAL3931 is operated by UNITED AIRLINES INC between Los Angeles International Airport (KLAX) and San Francisco International Airport (KSFO). The flight is most often flown by a AIRBUS Airbus A320. Typical block time is 2h 29m. SkyMeter has observed 23 legs of this flight number via ADS-B.

✈
FLIGHTS
23
last 90 days
⏱
AVG DURATION
2h 29m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/18/2026
first → last seen
🗺
ROUTES / TYPES
22 / 10
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KLAX → KSFO
2
avg 1h 25m · Los Angeles → San Francisco
KORD → KATW
1
avg 37m · Chicago O'Hare → Appleton
SBGR → KEWR
1
avg 9h 25m · Guarulhos - Governador André Franco Montoro → Newark Liberty
KHAF → KLAX
1
avg 1h 22m · Half Moon Bay → Los Angeles
KORD → KOMA
1
avg 1h 19m · Chicago O'Hare → Eppley Airfield
KTPA → KORD
1
avg 2h 30m · Tampa → Chicago O'Hare
CYYZ → KORD
1
avg 1h 55m · Lester B. Pearson → Chicago O'Hare
KSEA → KDEN
1
avg 2h 30m · Seattle Tacoma → Denver
RJTT → KSFO
1
avg 9h 16m · Tokyo Haneda → San Francisco
KPHL → KORD
1
avg 1h 46m · Philadelphia → Chicago O'Hare

Aircraft types

Equipment used on this number

10
A320 AIRBUS Airbus A320
4
B739 BOEING Boeing 737-900
4
B772 BOEING Boeing 777-200
3
A21N AIRBUS Airbus A321 Neo
2
A319 AIRBUS Airbus A319
2
B39M BOEING Boeing 737 MAX 9
2
B764 BOEING Boeing 767-400
1
B789 BOEING Boeing 787-9 Dreamliner
1
B753 BOEING Boeing 757-300
1
B752 BOEING Boeing 757-200
1

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 UAL3931

30
N467UAAIRBUS Airbus A320
→
07/18/2026
1h 15m
No alerts
Replay Analysis
N4901UAIRBUS Airbus A320
→
07/16/2026
1h 55m
No alerts
Replay Analysis
N78003BOEING Boeing 777-200
→
07/15/2026
9h 25m
No alerts
Replay Analysis
N34131BOEING Boeing 757-200
→
07/10/2026
1h 37m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
07/09/2026
1h 45m
No alerts
Replay Analysis
N454UAAIRBUS Airbus A320
→
06/29/2026
1h 18m
No alerts
Replay Analysis
N68061BOEING Boeing 767-400
→
06/26/2026
1h 13m
No alerts
Replay Analysis
N475UAAIRBUS Airbus A320
→
06/21/2026
37m
No alerts
Replay Analysis
N819UAAIRBUS Airbus A319
→
06/19/2026
1h 55m
No alerts
Replay Analysis
N38268BOEING Boeing 737-800
→
06/16/2026
2h 0m
No alerts
Replay Analysis
N17455BOEING Boeing 737 MAX 9
→
06/14/2026
2h 29m
No alerts
Replay Analysis
N897UAAIRBUS Airbus A319
→
06/11/2026
2h 1m
No alerts
Replay Analysis
N47414BOEING Boeing 737-900
→
06/09/2026
2h 29m
No alerts
Replay Analysis
N57409BOEING Boeing 737 MAX 9
→
05/30/2026
1h 13m
No alerts
Replay Analysis
N27268BOEING Boeing 737 MAX 8
→
05/25/2026
3h 4m
No alerts
Replay Analysis
N78001BOEING Boeing 777-200
→
05/24/2026
9h 15m
No alerts
Replay Analysis
N78001BOEING Boeing 777-200
→
05/24/2026
4h 27m
No alerts
Replay Analysis
N24505AIRBUS Airbus A321 Neo
→
05/16/2026
4h 8m
No alerts
Replay Analysis
N56859BOEING Boeing 757-300
→
05/11/2026
1h 4m
No alerts
Replay Analysis
N24972BOEING Boeing 787-9 Dreamliner
→
05/04/2026
1h 22m
No alerts
Replay Analysis
N54538AIRBUS Airbus A321 Neo
→
05/02/2026
1h 28m
No alerts
Replay Analysis
N37437BOEING Boeing 737-900
→
04/30/2026
50m
No alerts
Replay Analysis
N37437BOEING Boeing 737-900
→
04/29/2026
17m
No alerts
Replay Analysis
N27239BOEING Boeing 737-800
→
04/20/2026
1h 43m
No alerts
Replay Analysis
N642UABOEING Boeing 767-300
→
04/17/2026
1h 20m
No alerts
Replay Analysis
N77865BOEING Boeing 757-300
→
04/13/2026
11m
No alerts
Replay Analysis
N77865BOEING Boeing 757-300
→
04/13/2026
2h 6m
No alerts
Replay Analysis
N824UAAIRBUS Airbus A319
→
04/12/2026
1h 22m
No alerts
Replay Analysis
N73276BOEING Boeing 737-800
→
04/10/2026
2h 49m
No alerts
Replay Analysis
N27419BOEING Boeing 737 MAX 9
→
03/31/2026
15m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window