Flight Status & Tracker

UAL581

UNITED AIRLINES INC · ORD → DEN · Last tracked Sep 25, 2026

UAL581 is a flight number operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and Denver International Airport (KDEN). SkyMeter last tracked UAL581 on September 25, 2026. The flight is most often flown by a AIRBUS Airbus A319. Typical block time is 2h 25m. SkyMeter has observed 118 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
118
last 90 days
⏱
AVG DURATION
2h 25m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/25/2026
first → last seen
🗺
ROUTES / TYPES
13 / 8
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

8
KORD → KDEN
36
avg 2h 18m · Chicago O'Hare → Denver
KBNA → KSFO
29
avg 4h 27m · Nashville → San Francisco
KSFO → KSBP
16
avg 1h 7m · San Francisco → San Luis County
KBZN → KLAX
4
avg 2h 26m · Gallatin Field → Los Angeles
KOAK → KSBP
2
avg 1h 4m · Metropolitan Oakland → San Luis County
KIAH → KJAX
2
avg 1h 48m · George Bush Intercontinental Houston → Jacksonville
KHAF → KSBP
2
avg 1h 11m · Half Moon Bay → San Luis County
KSFO → KRNO
1
avg 1h 12m · San Francisco → Reno Tahoe

Aircraft types

Equipment used on this number

8
A319 AIRBUS Airbus A319
109
A21N AIRBUS Airbus A321 Neo
50
A320 AIRBUS Airbus A320
7
B738 BOEING Boeing 737-800
3
B739 BOEING Boeing 737-900
3
B38M BOEING Boeing 737 MAX 8
1
B39M BOEING Boeing 737 MAX 9
1
ST75 ST75
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 UAL581

30
N37267BOEING Boeing 737-800
→
9/25/2026
1h 11m
No alerts
Replay Analysis
N806UAAIRBUS Airbus A319
→
9/25/2026
1h 9m
No alerts
Replay Analysis
N806UAAIRBUS Airbus A319
→
9/24/2026
3h 8m
No alerts
Replay Analysis
N806UAAIRBUS Airbus A319
→
9/24/2026
4h 18m
No alerts
Replay Analysis
N872UAAIRBUS Airbus A319
→
9/24/2026
22m
No alerts
Replay Analysis
N872UAAIRBUS Airbus A319
→
9/23/2026
4h 25m
No alerts
Replay Analysis
N872UAAIRBUS Airbus A319
→
9/23/2026
4h 2m
No alerts
Replay Analysis
N871UAAIRBUS Airbus A319
→
9/23/2026
48m
No alerts
Replay Analysis
N871UAAIRBUS Airbus A319
→
9/22/2026
4h 48m
No alerts
Replay Analysis
N871UAAIRBUS Airbus A319
→
9/22/2026
3h 59m
No alerts
Replay Analysis
N837UAAIRBUS Airbus A319
→
9/22/2026
1h 30m
No alerts
Replay Analysis
N837UAAIRBUS Airbus A319
→
9/21/2026
4h 24m
No alerts
Replay Analysis
N837UAAIRBUS Airbus A319
→
9/21/2026
2h 53m
No alerts
Replay Analysis
N811UAAIRBUS Airbus A319
→
9/21/2026
2h 27m
No alerts
Replay Analysis
N811UAAIRBUS Airbus A319
→
9/21/2026
1h 57m
No alerts
Replay Analysis
N811UAAIRBUS Airbus A319
→
9/21/2026
4h 25m
No alerts
Replay Analysis
N38417BOEING Boeing 737-900
→
9/19/2026
1h 47m
No alerts
Replay Analysis
N877UAAIRBUS Airbus A319
→
9/19/2026
42m
No alerts
Replay Analysis
N877UAAIRBUS Airbus A319
→
9/18/2026
3h 34m
No alerts
Replay Analysis
N877UAAIRBUS Airbus A319
→
9/18/2026
4h 17m
No alerts
Replay Analysis
N853UAAIRBUS Airbus A319
→
9/18/2026
1h 8m
No alerts
Replay Analysis
N853UAAIRBUS Airbus A319
→
9/17/2026
4h 21m
No alerts
Replay Analysis
N853UAAIRBUS Airbus A319
→
9/17/2026
3h 12m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
9/17/2026
44m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
9/16/2026
4h 28m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
9/16/2026
3h 43m
No alerts
Replay Analysis
N814UAAIRBUS Airbus A319
→
9/16/2026
2h 28m
No alerts
Replay Analysis
N814UAAIRBUS Airbus A319
→
9/15/2026
4h 43m
No alerts
Replay Analysis
N814UAAIRBUS Airbus A319
→
9/15/2026
2h 14m
No alerts
Replay Analysis
N842UAAIRBUS Airbus A319
→
9/15/2026
41m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window