UAL1 is operated by UNITED AIRLINES INC. between San Francisco International Airport (KSFO) and Singapore Changi Airport / Changi Air Base (West) (WSSS). The flight is most often flown by a BOEING Boeing 787-9 Dreamliner. Typical block time is 14h 44m. SkyMeter has observed 87 legs of this flight number via ADS-B.

✈
FLIGHTS
87
last 90 days
⏱
AVG DURATION
14h 44m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
5 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KSFO → WSSS
9
avg 16h 19m · San Francisco → Singapore Changi Airport / Changi Air Base (West)
KSFO → WSAG
1
avg 16h 9m · San Francisco → Sembawang Air Base
KHAF → WSSS
1
avg 16h 32m · Half Moon Bay → Singapore Changi Airport / Changi Air Base (West)

Aircraft types

Equipment used on this number

1
B789 BOEING Boeing 787-9 Dreamliner
83

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 UAL1

30
N61103BOEING Boeing 787-9 Dreamliner
→
08/21/2026
13h 41m
No alerts
Replay Analysis
N51104BOEING Boeing 787-9 Dreamliner
→
08/20/2026
16h 8m
No alerts
Replay Analysis
N81110
→
08/19/2026
13h 13m
No alerts
Replay Analysis
N51104BOEING Boeing 787-9 Dreamliner
→
08/18/2026
15h 56m
No alerts
Replay Analysis
N71108
→
08/17/2026
16h 11m
No alerts
Replay Analysis
N81107
→
08/16/2026
15h 55m
No alerts
Replay Analysis
N61101BOEING Boeing 787-9 Dreamliner
→
08/15/2026
15h 49m
No alerts
Replay Analysis
N51104BOEING Boeing 787-9 Dreamliner
→
08/14/2026
15h 56m
No alerts
Replay Analysis
N61106BOEING Boeing 787-9 Dreamliner
→
08/13/2026
6h 21m
No alerts
Replay Analysis
N61101BOEING Boeing 787-9 Dreamliner
→
08/12/2026
14h 26m
No alerts
Replay Analysis
N81105BOEING Boeing 787-9 Dreamliner
→
08/11/2026
15h 56m
No alerts
Replay Analysis
N21102BOEING Boeing 787-9 Dreamliner
→
08/10/2026
16h 12m
No alerts
Replay Analysis
N81107
→
08/09/2026
16h 9m
No alerts
Replay Analysis
N81105BOEING Boeing 787-9 Dreamliner
→
08/08/2026
15h 56m
No alerts
Replay Analysis
N61106BOEING Boeing 787-9 Dreamliner
→
08/07/2026
16h 6m
No alerts
Replay Analysis
N51104BOEING Boeing 787-9 Dreamliner
→
08/06/2026
13h 4m
No alerts
Replay Analysis
N21102BOEING Boeing 787-9 Dreamliner
→
08/05/2026
15h 42m
No alerts
Replay Analysis
N81105BOEING Boeing 787-9 Dreamliner
→
08/04/2026
15h 40m
No alerts
Replay Analysis
N61101BOEING Boeing 787-9 Dreamliner
→
08/03/2026
15h 49m
No alerts
Replay Analysis
N61103BOEING Boeing 787-9 Dreamliner
→
08/02/2026
4h 19m
No alerts
Replay Analysis
N61103BOEING Boeing 787-9 Dreamliner
→
08/02/2026
1h 26m
No alerts
Replay Analysis
N81105BOEING Boeing 787-9 Dreamliner
→
08/01/2026
1h 9m
No alerts
Replay Analysis
N61106BOEING Boeing 787-9 Dreamliner
→
07/31/2026
16h 26m
No alerts
Replay Analysis
N61103BOEING Boeing 787-9 Dreamliner
→
07/30/2026
16h 5m
No alerts
Replay Analysis
N61101BOEING Boeing 787-9 Dreamliner
→
07/29/2026
16h 31m
No alerts
Replay Analysis
N51104BOEING Boeing 787-9 Dreamliner
→
07/28/2026
16h 1m
No alerts
Replay Analysis
N61101BOEING Boeing 787-9 Dreamliner
→
07/27/2026
16h 1m
No alerts
Replay Analysis
N61106BOEING Boeing 787-9 Dreamliner
→
07/26/2026
15h 44m
No alerts
Replay Analysis
N81107
→
07/25/2026
15h 53m
No alerts
Replay Analysis
N61101BOEING Boeing 787-9 Dreamliner
→
07/24/2026
16h 6m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window