UAL2661

UNITED AIRLINES INC · PHL → SFO

UAL2661 is operated by UNITED AIRLINES INC between Philadelphia International Airport (KPHL) and San Francisco International Airport (KSFO). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 3h 33m. SkyMeter has observed 161 legs of this flight number via ADS-B.

✈
FLIGHTS
161
last 90 days
⏱
AVG DURATION
3h 33m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
8 / 6
city pairs · airframes
⚠
INCIDENT RATE
1.2%
2 flagged

Routes flown

By count · last 90 days

5
KPHL → KSFO
79
avg 5h 40m · Philadelphia → San Francisco
KSFO → KONT
63
avg 1h 25m · San Francisco → Ontario
KHAF → KONT
6
avg 1h 27m · Half Moon Bay → Ontario
KSFO → KBOS
2
avg 5h 30m · San Francisco → General Edward Lawrence Logan
US-0188 → KONT
1
avg 1h 54m · Coast Guard Air Station San Francisco → Ontario

Aircraft types

Equipment used on this number

6
B39M BOEING Boeing 737 MAX 9
121
B739 BOEING Boeing 737-900
22
B38M BOEING Boeing 737 MAX 8
10
B738 BOEING Boeing 737-800
7
A319 AIRBUS Airbus A319
3
A320 AIRBUS Airbus A320
2

Safety profile

Flagged flights · last 90 days

Go-arounds
2
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 UAL2661

30
N17405BOEING Boeing 737 MAX 9
→
07/19/2026
1h 44m
No alerts
Replay Analysis
N77581BOEING Boeing 737 MAX 9
→
07/19/2026
5h 25m
No alerts
Replay Analysis
N77598BOEING Boeing 737 MAX 9
→
07/18/2026
1h 41m
No alerts
Replay Analysis
N17427BOEING Boeing 737 MAX 9
→
07/18/2026
5h 12m
No alerts
Replay Analysis
N17448BOEING Boeing 737 MAX 9
→
07/17/2026
1h 54m
No alerts
Replay Analysis
N37535BOEING Boeing 737 MAX 9
→
07/17/2026
5h 7m
No alerts
Replay Analysis
N37537BOEING Boeing 737 MAX 9
→
07/16/2026
1h 23m
No alerts
Replay Analysis
N37415BOEING Boeing 737 MAX 9
→
07/16/2026
5h 13m
No alerts
Replay Analysis
N17421BOEING Boeing 737 MAX 9
→
07/15/2026
1h 26m
No alerts
Replay Analysis
N17529BOEING Boeing 737 MAX 9
→
07/15/2026
5h 19m
No alerts
Replay Analysis
N47533BOEING Boeing 737 MAX 9
→
07/14/2026
1h 29m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
07/14/2026
4h 53m
No alerts
Replay Analysis
N17441BOEING Boeing 737 MAX 9
→
07/13/2026
1h 28m
No alerts
Replay Analysis
N37548BOEING Boeing 737 MAX 9
→
07/13/2026
5h 2m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
07/12/2026
1h 22m
No alerts
Replay Analysis
N17423BOEING Boeing 737 MAX 9
→
07/12/2026
5h 20m
↻ Go-around
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
07/11/2026
48m
No alerts
Replay Analysis
N37516BOEING Boeing 737 MAX 9
→
07/11/2026
5h 22m
No alerts
Replay Analysis
N27509BOEING Boeing 737 MAX 9
→
07/10/2026
1h 22m
No alerts
Replay Analysis
N37545BOEING Boeing 737 MAX 9
→
07/10/2026
5h 37m
No alerts
Replay Analysis
N65832BOEING Boeing 737-900
→
07/09/2026
1h 22m
No alerts
Replay Analysis
N17423BOEING Boeing 737 MAX 9
→
07/09/2026
5h 41m
No alerts
Replay Analysis
N17594BOEING Boeing 737-900
→
07/08/2026
1h 8m
No alerts
Replay Analysis
N57451BOEING Boeing 737 MAX 9
→
07/08/2026
5h 23m
No alerts
Replay Analysis
N47446BOEING Boeing 737 MAX 9
→
07/07/2026
1h 33m
No alerts
Replay Analysis
N37440BOEING Boeing 737 MAX 9
→
07/07/2026
5h 19m
No alerts
Replay Analysis
N77576BOEING Boeing 737 MAX 9
→
07/06/2026
1h 17m
No alerts
Replay Analysis
N27520BOEING Boeing 737 MAX 9
→
07/06/2026
5h 17m
No alerts
Replay Analysis
N62894BOEING Boeing 737-900
→
07/05/2026
1h 25m
No alerts
Replay Analysis
N17460BOEING Boeing 737 MAX 9
→
07/05/2026
5h 28m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window