UAL2278

UNITED AIRLINES INC · SAN → SFO

UAL2278 is operated by UNITED AIRLINES INC between San Diego International Airport (KSAN) and San Francisco International Airport (KSFO). The flight is most often flown by a BOEING Boeing 757-300. Typical block time is 2h 40m. SkyMeter has observed 120 legs of this flight number via ADS-B.

✈
FLIGHTS
120
last 90 days
⏱
AVG DURATION
2h 40m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
10 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KSAN → KSFO
54
avg 1h 40m · San Diego → San Francisco
KSFO → KORD
46
avg 4h 1m · San Francisco → Chicago O'Hare
KHAF → KORD
4
avg 4h 11m · Half Moon Bay → Chicago O'Hare
US-0188 → KORD
2
avg 4h 6m · Coast Guard Air Station San Francisco → Chicago O'Hare
KNZY → KSFO
1
avg 1h 42m · North Island Naval Air Station-Halsey Field → San Francisco

Aircraft types

Equipment used on this number

7
B753 BOEING Boeing 757-300
55
B738 BOEING Boeing 737-800
47
B739 BOEING Boeing 737-900
9
B39M BOEING Boeing 737 MAX 9
3
A21N AIRBUS Airbus A321 Neo
2
B38M BOEING Boeing 737 MAX 8
2
B789 BOEING Boeing 787-9 Dreamliner
2

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 UAL2278

30
N44550AIRBUS Airbus A321 Neo
→
08/22/2026
3h 57m
No alerts
Replay Analysis
N33264BOEING Boeing 737-800
→
08/22/2026
1h 38m
No alerts
Replay Analysis
N73860BOEING Boeing 757-300
→
08/20/2026
3h 53m
No alerts
Replay Analysis
N35236BOEING Boeing 737-800
→
08/18/2026
1h 44m
No alerts
Replay Analysis
N57855BOEING Boeing 757-300
→
08/17/2026
4h 3m
No alerts
Replay Analysis
N77525BOEING Boeing 737-800
→
08/17/2026
1h 52m
No alerts
Replay Analysis
N73860BOEING Boeing 757-300
→
08/16/2026
4h 3m
No alerts
Replay Analysis
N77580BOEING Boeing 737 MAX 9
→
08/16/2026
1h 54m
No alerts
Replay Analysis
N76502BOEING Boeing 737-800
→
08/15/2026
1h 35m
No alerts
Replay Analysis
N77536BOEING Boeing 737-800
→
08/14/2026
1h 34m
No alerts
Replay Analysis
N75854BOEING Boeing 757-300
→
08/13/2026
2h 15m
No alerts
Replay Analysis
N57870BOEING Boeing 757-300
→
08/12/2026
4h 4m
No alerts
Replay Analysis
N57864BOEING Boeing 757-300
→
08/11/2026
3h 56m
No alerts
Replay Analysis
N77295BOEING Boeing 737-800
→
08/11/2026
1h 25m
No alerts
Replay Analysis
N18220BOEING Boeing 737-800
→
08/10/2026
1h 41m
No alerts
Replay Analysis
N75851BOEING Boeing 757-300
→
08/09/2026
4h 4m
No alerts
Replay Analysis
N77865BOEING Boeing 757-300
→
08/08/2026
4h 1m
No alerts
Replay Analysis
N68801BOEING Boeing 737-900
→
08/08/2026
1h 41m
No alerts
Replay Analysis
N25201BOEING Boeing 737-800
→
08/07/2026
1h 45m
No alerts
Replay Analysis
N75853BOEING Boeing 757-300
→
08/06/2026
4h 13m
No alerts
Replay Analysis
N78285BOEING Boeing 737-800
→
08/06/2026
1h 36m
No alerts
Replay Analysis
N57870BOEING Boeing 757-300
→
08/05/2026
4h 9m
No alerts
Replay Analysis
N56859BOEING Boeing 757-300
→
08/04/2026
3h 44m
No alerts
Replay Analysis
N27205BOEING Boeing 737-800
→
08/04/2026
1h 44m
No alerts
Replay Analysis
N14219BOEING Boeing 737-800
→
08/03/2026
1h 46m
No alerts
Replay Analysis
N77867BOEING Boeing 757-300
→
08/02/2026
4h 11m
No alerts
Replay Analysis
N77867BOEING Boeing 757-300
→
08/01/2026
4h 15m
No alerts
Replay Analysis
N37474BOEING Boeing 737-900
→
08/01/2026
1h 38m
No alerts
Replay Analysis
N57855BOEING Boeing 757-300
→
07/31/2026
4h 15m
No alerts
Replay Analysis
N35260BOEING Boeing 737-800
→
07/31/2026
1h 28m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window