UAL1668

UNITED AIRLINES INC · AUS → SFO

UAL1668 is operated by UNITED AIRLINES INC 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 3h 10m. SkyMeter has observed 103 legs of this flight number via ADS-B.

✈
FLIGHTS
103
last 90 days
⏱
AVG DURATION
3h 10m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
4 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KAUS → KSFO
81
avg 3h 47m · Austin Bergstrom → San Francisco
KSFO → KSAN
4
avg 1h 29m · San Francisco → San Diego
KHAF → KSAN
1
avg 1h 38m · Half Moon Bay → San Diego

Aircraft types

Equipment used on this number

6
B39M BOEING Boeing 737 MAX 9
72
A320 AIRBUS Airbus A320
18
A319 AIRBUS Airbus A319
6
B738 BOEING Boeing 737-800
5
B739 BOEING Boeing 737-900
2
A21N AIRBUS Airbus A321 Neo
1

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
N37518BOEING Boeing 737 MAX 9
→
07/19/2026
3h 23m
No alerts
Replay Analysis
N17456BOEING Boeing 737 MAX 9
→
07/18/2026
3h 21m
No alerts
Replay Analysis
N17596BOEING Boeing 737 MAX 9
→
07/17/2026
3h 32m
No alerts
Replay Analysis
N17422BOEING Boeing 737 MAX 9
→
07/16/2026
3h 24m
No alerts
Replay Analysis
N37514BOEING Boeing 737 MAX 9
→
07/15/2026
4h 15m
No alerts
Replay Analysis
N37514BOEING Boeing 737 MAX 9
→
07/15/2026
6m
No alerts
Replay Analysis
N17564BOEING Boeing 737 MAX 9
→
07/14/2026
3h 39m
No alerts
Replay Analysis
N17422BOEING Boeing 737 MAX 9
→
07/13/2026
3h 31m
No alerts
Replay Analysis
N17422BOEING Boeing 737 MAX 9
→
07/13/2026
38m
No alerts
Replay Analysis
N37440BOEING Boeing 737 MAX 9
→
07/12/2026
3h 29m
No alerts
Replay Analysis
N77588BOEING Boeing 737 MAX 9
→
07/11/2026
3h 19m
No alerts
Replay Analysis
N77588BOEING Boeing 737 MAX 9
→
07/11/2026
25m
No alerts
Replay Analysis
N17583BOEING Boeing 737 MAX 9
→
07/10/2026
4h 8m
No alerts
Replay Analysis
N27439BOEING Boeing 737 MAX 9
→
07/09/2026
3h 42m
No alerts
Replay Analysis
N17557BOEING Boeing 737 MAX 9
→
07/08/2026
3h 55m
No alerts
Replay Analysis
N17557BOEING Boeing 737 MAX 9
→
07/08/2026
45m
No alerts
Replay Analysis
N17583BOEING Boeing 737 MAX 9
→
07/07/2026
4h 21m
No alerts
Replay Analysis
N17458BOEING Boeing 737 MAX 9
→
07/06/2026
3h 21m
No alerts
Replay Analysis
N37541BOEING Boeing 737 MAX 9
→
07/05/2026
3h 35m
No alerts
Replay Analysis
N37541BOEING Boeing 737 MAX 9
→
07/05/2026
1h 1m
No alerts
Replay Analysis
N47524BOEING Boeing 737 MAX 9
→
07/04/2026
3h 29m
No alerts
Replay Analysis
N77590BOEING Boeing 737 MAX 9
→
07/03/2026
3h 42m
No alerts
Replay Analysis
N37449BOEING Boeing 737 MAX 9
→
07/02/2026
4h 7m
No alerts
Replay Analysis
N37506BOEING Boeing 737 MAX 9
→
07/01/2026
3h 48m
No alerts
Replay Analysis
N37506BOEING Boeing 737 MAX 9
→
07/01/2026
29m
No alerts
Replay Analysis
N17596BOEING Boeing 737 MAX 9
→
06/30/2026
3h 56m
No alerts
Replay Analysis
N17596BOEING Boeing 737 MAX 9
→
06/30/2026
40m
No alerts
Replay Analysis
N77573BOEING Boeing 737 MAX 9
→
06/29/2026
3h 45m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
06/28/2026
3h 18m
No alerts
Replay Analysis
N37514BOEING Boeing 737 MAX 9
→
06/27/2026
3h 46m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window