UAL511 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and San Francisco International Airport (KSFO). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 2h 43m. SkyMeter has observed 181 legs of this flight number via ADS-B.

✈
FLIGHTS
181
last 90 days
⏱
AVG DURATION
2h 43m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
7 / 8
city pairs · airframes
⚠
INCIDENT RATE
0.6%
1 flagged

Routes flown

By count · last 90 days

3
KORD → KSFO
66
avg 4h 27m · Chicago O'Hare → San Francisco
KDCA → KORD
56
avg 2h 2m · Ronald Reagan Washington National → Chicago O'Hare
KORD → KSJC
1
avg 5h 29m · Chicago O'Hare → Norman Y. Mineta San Jose

Aircraft types

Equipment used on this number

8
A21N AIRBUS Airbus A321 Neo
191
B738 BOEING Boeing 737-800
36
B737 BOEING Boeing 737-700
27
A319 AIRBUS Airbus A319
25
A320 AIRBUS Airbus A320
12
ST75 ST75
3
B38M BOEING Boeing 737 MAX 8
1
B39M BOEING Boeing 737 MAX 9
1

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 UAL511

30
N14560AIRBUS Airbus A321 Neo
→
08/20/2026
2h 34m
No alerts
Replay Analysis
N891UAAIRBUS Airbus A319
→
08/20/2026
2h 12m
No alerts
Replay Analysis
N37534BOEING Boeing 737 MAX 9
→
08/20/2026
3h 18m
No alerts
Replay Analysis
N4888UAIRBUS Airbus A319
→
08/19/2026
2h 3m
No alerts
Replay Analysis
N94556AIRBUS Airbus A321 Neo
→
08/18/2026
2h 37m
No alerts
Replay Analysis
N893UAAIRBUS Airbus A319
→
08/18/2026
2h 16m
No alerts
Replay Analysis
N14554AIRBUS Airbus A321 Neo
→
08/18/2026
2h 4m
No alerts
Replay Analysis
N14554AIRBUS Airbus A321 Neo
→
08/17/2026
4h 39m
No alerts
Replay Analysis
N14554AIRBUS Airbus A321 Neo
→
08/17/2026
2h 34m
No alerts
Replay Analysis
N441UAAIRBUS Airbus A320
→
08/17/2026
2h 0m
No alerts
Replay Analysis
N875UAAIRBUS Airbus A319
→
08/16/2026
2h 11m
No alerts
Replay Analysis
N24573
→
08/16/2026
1h 57m
No alerts
Replay Analysis
N24573
→
08/15/2026
2h 17m
No alerts
Replay Analysis
N24573
→
08/15/2026
4h 26m
No alerts
Replay Analysis
N24573
→
08/15/2026
10m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
08/15/2026
2h 19m
No alerts
Replay Analysis
N24542AIRBUS Airbus A321 Neo
→
08/15/2026
2h 16m
No alerts
Replay Analysis
N24542AIRBUS Airbus A321 Neo
→
08/14/2026
4h 46m
No alerts
Replay Analysis
N24542AIRBUS Airbus A321 Neo
→
08/14/2026
2h 30m
No alerts
Replay Analysis
N881UAAIRBUS Airbus A319
→
08/14/2026
2h 19m
No alerts
Replay Analysis
N14557AIRBUS Airbus A321 Neo
→
08/14/2026
4h 7m
No alerts
Replay Analysis
N14557AIRBUS Airbus A321 Neo
→
08/13/2026
17m
No alerts
Replay Analysis
N842UAAIRBUS Airbus A319
→
08/13/2026
17m
No alerts
Replay Analysis
N842UAAIRBUS Airbus A319
→
08/13/2026
2h 1m
No alerts
Replay Analysis
N843UAAIRBUS Airbus A319
→
08/12/2026
1h 12m
No alerts
Replay Analysis
N819UAAIRBUS Airbus A319
→
08/11/2026
2h 8m
No alerts
Replay Analysis
N14576
→
08/11/2026
2h 14m
No alerts
Replay Analysis
N14576
→
08/10/2026
2h 6m
No alerts
Replay Analysis
N14576
→
08/10/2026
2m
No alerts
Replay Analysis
N14576
→
08/10/2026
4h 36m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window