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 737-800. Typical block time is 2h 46m. SkyMeter has observed 131 legs of this flight number via ADS-B.

✈
FLIGHTS
131
last 90 days
⏱
AVG DURATION
2h 46m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 06/30/2026
first → last seen
🗺
ROUTES / TYPES
10 / 9
city pairs · airframes
⚠
INCIDENT RATE
3.8%
5 flagged

Routes flown

By count · last 90 days

6
KSAN → KSFO
52
avg 1h 43m · San Diego → San Francisco
KSFO → KORD
50
avg 4h 2m · San Francisco → Chicago O'Hare
KHAF → KORD
8
avg 4h 12m · Half Moon Bay → Chicago O'Hare
KNZY → KSFO
5
avg 1h 50m · North Island Naval Air Station-Halsey Field → San Francisco
US-2553 → KSFO
2
avg 1h 36m · Speer → San Francisco
US-0188 → KORD
2
avg 4h 5m · Coast Guard Air Station San Francisco → Chicago O'Hare

Aircraft types

Equipment used on this number

9
B738 BOEING Boeing 737-800
49
B753 BOEING Boeing 757-300
25
A21N AIRBUS Airbus A321 Neo
22
B772 BOEING Boeing 777-200
14
B739 BOEING Boeing 737-900
8
B39M BOEING Boeing 737 MAX 9
6
A320 AIRBUS Airbus A320
3
B38M BOEING Boeing 737 MAX 8
1
B789 BOEING Boeing 787-9 Dreamliner
1

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
4
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
N57863BOEING Boeing 757-300
→
06/30/2026
4h 5m
No alerts
Replay Analysis
N37298BOEING Boeing 737-800
→
06/30/2026
1h 57m
No alerts
Replay Analysis
N37252BOEING Boeing 737-800
→
06/29/2026
1h 37m
No alerts
Replay Analysis
N57862BOEING Boeing 757-300
→
06/28/2026
3h 50m
No alerts
Replay Analysis
N57439BOEING Boeing 737-900
→
06/27/2026
1h 38m
No alerts
Replay Analysis
N57870BOEING Boeing 757-300
→
06/26/2026
3h 55m
No alerts
Replay Analysis
N73270BOEING Boeing 737-800
→
06/26/2026
1h 33m
No alerts
Replay Analysis
N57869BOEING Boeing 757-300
→
06/25/2026
4h 14m
No alerts
Replay Analysis
N35271BOEING Boeing 737-800
→
06/25/2026
1h 37m
No alerts
Replay Analysis
N75851BOEING Boeing 757-300
→
06/24/2026
4h 16m
No alerts
Replay Analysis
N17454BOEING Boeing 737 MAX 9
→
06/23/2026
1h 53m
No alerts
Replay Analysis
N36272BOEING Boeing 737-800
→
06/22/2026
1h 50m
No alerts
Replay Analysis
N75853BOEING Boeing 757-300
→
06/21/2026
3h 57m
No alerts
Replay Analysis
N57864BOEING Boeing 757-300
→
06/20/2026
3h 59m
No alerts
Replay Analysis
N68807BOEING Boeing 737-900
→
06/20/2026
1h 36m
No alerts
Replay Analysis
N36280BOEING Boeing 737-800
→
06/19/2026
1h 31m
No alerts
Replay Analysis
N14235BOEING Boeing 737-800
→
06/18/2026
1h 9m
No alerts
Replay Analysis
N77871BOEING Boeing 757-300
→
06/17/2026
4h 1m
No alerts
Replay Analysis
N57299BOEING Boeing 737 MAX 8
→
06/16/2026
1h 27m
No alerts
Replay Analysis
N77542BOEING Boeing 737-800
→
06/15/2026
1h 28m
No alerts
Replay Analysis
N75851BOEING Boeing 757-300
→
06/14/2026
3h 52m
No alerts
Replay Analysis
N75853BOEING Boeing 757-300
→
06/13/2026
3h 50m
No alerts
Replay Analysis
N69819BOEING Boeing 737-900
→
06/13/2026
1h 30m
No alerts
Replay Analysis
N75858BOEING Boeing 757-300
→
06/12/2026
3h 46m
No alerts
Replay Analysis
N27213BOEING Boeing 737-800
→
06/12/2026
1h 6m
No alerts
Replay Analysis
N33284BOEING Boeing 737-800
→
06/11/2026
1h 4m
No alerts
Replay Analysis
N78866BOEING Boeing 757-300
→
06/10/2026
3h 56m
No alerts
Replay Analysis
N77536BOEING Boeing 737-800
→
06/09/2026
2h 5m
No alerts
Replay Analysis
N76519BOEING Boeing 737-800
→
06/08/2026
1h 40m
No alerts
Replay Analysis
N75851BOEING Boeing 757-300
→
06/07/2026
3h 50m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window