UAL1668 is operated by UMB BANK N A TRUSTEE between Austin Bergstrom International Airport (KAUS) and San Francisco International Airport (KSFO). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 52m. SkyMeter has observed 112 legs of this flight number via ADS-B.

✈
FLIGHTS
112
last 90 days
⏱
AVG DURATION
2h 52m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/31/2026
first → last seen
🗺
ROUTES / TYPES
6 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

4
KAUS → KSFO
77
avg 3h 38m · Austin Bergstrom → San Francisco
KSFO → KSAN
11
avg 1h 47m · San Francisco → San Diego
KHAF → KSAN
1
avg 1h 45m · Half Moon Bay → San Diego
KOAK → KSAN
1
avg 1h 27m · Metropolitan Oakland → San Diego

Aircraft types

Equipment used on this number

4
B39M BOEING Boeing 737 MAX 9
81
B738 BOEING Boeing 737-800
27
B739 BOEING Boeing 737-900
6
B38M BOEING Boeing 737 MAX 8
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 UAL1668

30
N27246BOEING Boeing 737-800
→
08/31/2026
1h 26m
No alerts
Replay Analysis
N37307BOEING Boeing 737 MAX 8
→
08/31/2026
3h 28m
No alerts
Replay Analysis
N39297BOEING Boeing 737-800
→
08/30/2026
9m
No alerts
Replay Analysis
N39297BOEING Boeing 737-800
→
08/29/2026
1h 15m
No alerts
Replay Analysis
N39297BOEING Boeing 737-800
→
08/29/2026
1h 24m
No alerts
Replay Analysis
N12216BOEING Boeing 737-800
→
08/29/2026
3h 29m
No alerts
Replay Analysis
N38443BOEING Boeing 737-900
→
08/27/2026
39m
No alerts
Replay Analysis
N38443BOEING Boeing 737-900
→
08/26/2026
1h 25m
No alerts
Replay Analysis
N38443BOEING Boeing 737-900
→
08/26/2026
2h 4m
No alerts
Replay Analysis
N14240BOEING Boeing 737-800
→
08/25/2026
1h 36m
No alerts
Replay Analysis
N37290BOEING Boeing 737-800
→
08/25/2026
3h 34m
No alerts
Replay Analysis
N12238BOEING Boeing 737-800
→
08/24/2026
2h 1m
No alerts
Replay Analysis
N57299BOEING Boeing 737 MAX 8
→
08/23/2026
1h 42m
No alerts
Replay Analysis
N26215BOEING Boeing 737-800
→
08/23/2026
3h 34m
No alerts
Replay Analysis
N37287BOEING Boeing 737-800
→
08/22/2026
1h 44m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
08/22/2026
3h 26m
No alerts
Replay Analysis
N17229BOEING Boeing 737-800
→
08/18/2026
1h 53m
No alerts
Replay Analysis
N78285BOEING Boeing 737-800
→
08/18/2026
3h 47m
No alerts
Replay Analysis
N37263BOEING Boeing 737-800
→
08/17/2026
2h 14m
No alerts
Replay Analysis
N17245BOEING Boeing 737-800
→
08/17/2026
3h 51m
No alerts
Replay Analysis
N67846BOEING Boeing 737-900
→
08/16/2026
1h 48m
No alerts
Replay Analysis
N12238BOEING Boeing 737-800
→
08/16/2026
3h 30m
No alerts
Replay Analysis
N26215BOEING Boeing 737-800
→
08/15/2026
1h 54m
No alerts
Replay Analysis
N38451BOEING Boeing 737-900
→
08/15/2026
3h 27m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
08/14/2026
1h 48m
No alerts
Replay Analysis
N76526BOEING Boeing 737-800
→
08/14/2026
3h 56m
No alerts
Replay Analysis
N73291BOEING Boeing 737-800
→
08/14/2026
1h 21m
No alerts
Replay Analysis
N73275BOEING Boeing 737-800
→
08/13/2026
3h 33m
No alerts
Replay Analysis
N73275BOEING Boeing 737-800
→
08/11/2026
1h 38m
No alerts
Replay Analysis
N78285BOEING Boeing 737-800
→
08/11/2026
3h 19m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window