UAL581 is operated by UMB BANK NA TRUSTEE between Chicago O'Hare International Airport (KORD) and Denver International Airport (KDEN). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 1h 43m. SkyMeter has observed 136 legs of this flight number via ADS-B.

✈
FLIGHTS
136
last 90 days
⏱
AVG DURATION
1h 43m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
13 / 8
city pairs · airframes
⚠
INCIDENT RATE
1.5%
2 flagged

Routes flown

By count · last 90 days

7
KORD → KDEN
38
avg 2h 18m · Chicago O'Hare → Denver
KBWI → KORD
29
avg 1h 53m · Baltimore/Washington International Thurgood Marshall → Chicago O'Hare
KORD → KDSM
27
avg 58m · Chicago O'Hare → Des Moines
KSFO → KSBP
7
avg 1h 3m · San Francisco → San Luis County
KBNA → KSFO
6
avg 4h 25m · Nashville → San Francisco
KBZN → KLAX
1
avg 2h 24m · Gallatin Field → Los Angeles
KHAF → KSBP
1
avg 1h 19m · Half Moon Bay → San Luis County

Aircraft types

Equipment used on this number

8
A21N AIRBUS Airbus A321 Neo
53
A319 AIRBUS Airbus A319
49
B739 BOEING Boeing 737-900
25
B39M BOEING Boeing 737 MAX 9
10
A320 AIRBUS Airbus A320
7
B38M BOEING Boeing 737 MAX 8
1
B737 BOEING Boeing 737-700
1
ST75 ST75
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 UAL581

30
N847UAAIRBUS Airbus A319
→
08/21/2026
1h 19m
No alerts
Replay Analysis
N834UAAIRBUS Airbus A319
→
08/20/2026
59m
No alerts
Replay Analysis
N838UAAIRBUS Airbus A319
→
08/19/2026
1h 0m
No alerts
Replay Analysis
N838UAAIRBUS Airbus A319
→
08/19/2026
19m
No alerts
Replay Analysis
N838UAAIRBUS Airbus A319
→
08/18/2026
3h 58m
No alerts
Replay Analysis
N838UAAIRBUS Airbus A319
→
08/18/2026
4h 17m
No alerts
Replay Analysis
N825UAAIRBUS Airbus A319
→
08/18/2026
1h 9m
No alerts
Replay Analysis
N897UAAIRBUS Airbus A319
→
08/18/2026
1h 3m
No alerts
Replay Analysis
N897UAAIRBUS Airbus A319
→
08/17/2026
3h 39m
No alerts
Replay Analysis
N897UAAIRBUS Airbus A319
→
08/17/2026
4h 43m
No alerts
Replay Analysis
N817UAAIRBUS Airbus A319
→
08/17/2026
1h 3m
No alerts
Replay Analysis
N817UAAIRBUS Airbus A319
→
08/17/2026
50m
No alerts
Replay Analysis
N817UAAIRBUS Airbus A319
→
08/16/2026
3h 33m
No alerts
Replay Analysis
N817UAAIRBUS Airbus A319
→
08/16/2026
4h 23m
No alerts
Replay Analysis
N17326BOEING Boeing 737 MAX 8
→
08/15/2026
2h 23m
No alerts
Replay Analysis
N830UAAIRBUS Airbus A319
→
08/15/2026
1h 7m
No alerts
Replay Analysis
N814UAAIRBUS Airbus A319
→
08/15/2026
47m
No alerts
Replay Analysis
N814UAAIRBUS Airbus A319
→
08/14/2026
3h 37m
No alerts
Replay Analysis
N814UAAIRBUS Airbus A319
→
08/14/2026
4h 25m
No alerts
Replay Analysis
N884UAAIRBUS Airbus A319
→
08/14/2026
1h 0m
No alerts
Replay Analysis
N871UAAIRBUS Airbus A319
→
08/14/2026
31m
No alerts
Replay Analysis
N871UAAIRBUS Airbus A319
→
08/13/2026
3h 48m
No alerts
Replay Analysis
N871UAAIRBUS Airbus A319
→
08/13/2026
4h 20m
No alerts
Replay Analysis
N884UAAIRBUS Airbus A319
→
08/12/2026
17m
No alerts
Replay Analysis
N836UAAIRBUS Airbus A319
→
08/12/2026
1h 4m
No alerts
Replay Analysis
N844UAAIRBUS Airbus A319
→
08/12/2026
49m
No alerts
Replay Analysis
N844UAAIRBUS Airbus A319
→
08/11/2026
3h 29m
No alerts
Replay Analysis
N844UAAIRBUS Airbus A319
→
08/11/2026
4h 19m
No alerts
Replay Analysis
N14527AIRBUS Airbus A321 Neo
→
08/10/2026
2h 14m
No alerts
Replay Analysis
N34551AIRBUS Airbus A321 Neo
→
08/09/2026
30m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window