UAL691 is operated by UNITED AIRLINES INC between Dallas Fort Worth International Airport (KDFW) and San Francisco International Airport (KSFO). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 23m. SkyMeter has observed 92 legs of this flight number via ADS-B.

✈
FLIGHTS
92
last 90 days
⏱
AVG DURATION
2h 23m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 06/29/2026
first → last seen
🗺
ROUTES / TYPES
11 / 6
city pairs · airframes
⚠
INCIDENT RATE
15.2%
14 flagged

Routes flown

By count · last 90 days

8
KDFW → KSFO
35
avg 3h 36m · Dallas Fort Worth → San Francisco
KDEN → KOKC
33
avg 1h 29m · Denver → Will Rogers World
KABQ → KSFO
4
avg 2h 42m · Albuquerque International Sunport → San Francisco
KDEN → KABQ
4
avg 1h 9m · Denver → Albuquerque International Sunport
KSFO → KORD
3
avg 4h 4m · San Francisco → Chicago O'Hare
KBNA → KIAH
1
avg 1h 40m · Nashville → George Bush Intercontinental Houston
KHAF → KAUS
1
avg 4h 3m · Half Moon Bay → Austin Bergstrom
US-2362 → KSFO
1
avg 8m · San Mateo → San Francisco

Aircraft types

Equipment used on this number

6
B738 BOEING Boeing 737-800
50
A319 AIRBUS Airbus A319
43
A320 AIRBUS Airbus A320
8
B38M BOEING Boeing 737 MAX 8
3
B739 BOEING Boeing 737-900
2
B39M BOEING Boeing 737 MAX 9
2

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
14
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 UAL691

30
N78285BOEING Boeing 737-800
→
06/29/2026
58m
△ Unstable
Replay Analysis
N27239BOEING Boeing 737-800
→
06/28/2026
1h 5m
△ Unstable
Replay Analysis
N1902UAIRBUS Airbus A320
→
06/27/2026
1h 39m
No alerts
Replay Analysis
N11206BOEING Boeing 737-800
→
06/26/2026
1h 8m
△ Unstable
Replay Analysis
N24224BOEING Boeing 737-800
→
06/25/2026
1h 21m
No alerts
Replay Analysis
N33292BOEING Boeing 737-800
→
06/24/2026
1h 35m
No alerts
Replay Analysis
N14231BOEING Boeing 737-800
→
06/23/2026
1h 26m
No alerts
Replay Analysis
N33209BOEING Boeing 737-800
→
06/22/2026
1h 26m
△ Unstable
Replay Analysis
N35271BOEING Boeing 737-800
→
06/21/2026
1h 35m
No alerts
Replay Analysis
N431UAAIRBUS Airbus A320
→
06/20/2026
1h 33m
No alerts
Replay Analysis
N27213BOEING Boeing 737-800
→
06/19/2026
1h 30m
No alerts
Replay Analysis
N76529BOEING Boeing 737-800
→
06/18/2026
1h 34m
No alerts
Replay Analysis
N16234BOEING Boeing 737-800
→
06/17/2026
1h 39m
No alerts
Replay Analysis
N78501BOEING Boeing 737-800
→
06/16/2026
1h 28m
No alerts
Replay Analysis
N24212BOEING Boeing 737-800
→
06/15/2026
1h 38m
No alerts
Replay Analysis
N33286BOEING Boeing 737-800
→
06/14/2026
1h 23m
No alerts
Replay Analysis
N819UAAIRBUS Airbus A319
→
06/13/2026
1h 9m
No alerts
Replay Analysis
N13248BOEING Boeing 737-800
→
06/12/2026
1h 24m
No alerts
Replay Analysis
N34282BOEING Boeing 737-800
→
06/10/2026
1h 28m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
06/09/2026
1h 26m
No alerts
Replay Analysis
N78501BOEING Boeing 737-800
→
06/08/2026
1h 32m
No alerts
Replay Analysis
N86534BOEING Boeing 737-800
→
06/07/2026
1h 20m
No alerts
Replay Analysis
N458UAAIRBUS Airbus A320
→
06/06/2026
1h 28m
No alerts
Replay Analysis
N26215BOEING Boeing 737-800
→
06/05/2026
1h 13m
No alerts
Replay Analysis
N78501BOEING Boeing 737-800
→
06/04/2026
1h 18m
No alerts
Replay Analysis
N34455BOEING Boeing 737-900
→
06/03/2026
1h 36m
No alerts
Replay Analysis
N76503BOEING Boeing 737-800
→
06/02/2026
1h 28m
△ Unstable
Replay Analysis
N77539BOEING Boeing 737-800
→
06/01/2026
1h 31m
No alerts
Replay Analysis
N25201BOEING Boeing 737-800
→
05/31/2026
1h 26m
No alerts
Replay Analysis
N844UAAIRBUS Airbus A319
→
05/30/2026
1h 30m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window