UAL1023

UNITED AIRLINES INC · DEN → ORD

UAL1023 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 1h 51m. SkyMeter has observed 89 legs of this flight number via ADS-B.

✈
FLIGHTS
89
last 90 days
⏱
AVG DURATION
1h 51m
tracked time
📅
SERVICE PERIOD
04/01/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
12 / 6
city pairs · airframes
⚠
INCIDENT RATE
10.1%
9 flagged

Routes flown

By count · last 90 days

9
KDEN → KORD
47
avg 2h 22m · Denver → Chicago O'Hare
KSMF → KDEN
9
avg 2h 13m · Sacramento → Denver
KORD → KCMH
7
avg 56m · Chicago O'Hare → John Glenn Columbus
KORD → KCLE
1
avg 49m · Chicago O'Hare → Cleveland Hopkins
KCOS → KDEN
1
avg 33m · City of Colorado Springs → Denver
KGRR → KORD
1
avg 58m · Gerald R. Ford → Chicago O'Hare
76IL → KORD
1
avg 23m · Delnor Community Hospital Heliport → Chicago O'Hare
KDEN → KGRR
1
avg 2h 48m · Denver → Gerald R. Ford
KSMF → KCOS
1
avg 3h 8m · Sacramento → City of Colorado Springs

Aircraft types

Equipment used on this number

6
A21N AIRBUS Airbus A321 Neo
72
A320 AIRBUS Airbus A320
12
B738 BOEING Boeing 737-800
5
B737 BOEING Boeing 737-700
2
B739 BOEING Boeing 737-900
2
A319 AIRBUS Airbus A319
1

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
8
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 UAL1023

30
N14523AIRBUS Airbus A321 Neo
→
06/03/2026
2h 9m
No alerts
Replay Analysis
N491UAAIRBUS Airbus A320
→
06/03/2026
2h 29m
No alerts
Replay Analysis
N23707BOEING Boeing 737-700
→
06/03/2026
49m
No alerts
Replay Analysis
N14504AIRBUS Airbus A321 Neo
→
06/02/2026
2h 22m
No alerts
Replay Analysis
N447UAAIRBUS Airbus A320
→
06/02/2026
1h 59m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
06/01/2026
32m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
06/01/2026
3h 8m
△ Unstable
Replay Analysis
N34535AIRBUS Airbus A321 Neo
→
05/31/2026
13m
No alerts
Replay Analysis
N34535AIRBUS Airbus A321 Neo
→
05/31/2026
2h 14m
No alerts
Replay Analysis
N464UAAIRBUS Airbus A320
→
05/31/2026
2h 5m
△ Unstable
Replay Analysis
N14565AIRBUS Airbus A321 Neo
→
05/29/2026
2h 45m
No alerts
Replay Analysis
N460UAAIRBUS Airbus A320
→
05/29/2026
45m
No alerts
Replay Analysis
N460UAAIRBUS Airbus A320
→
05/29/2026
2h 6m
△ Unstable
Replay Analysis
N14518AIRBUS Airbus A321 Neo
→
05/28/2026
2h 8m
No alerts
Replay Analysis
N14533AIRBUS Airbus A321 Neo
→
05/26/2026
2h 26m
No alerts
Replay Analysis
N459UAAIRBUS Airbus A320
→
05/26/2026
2h 16m
△ Unstable
Replay Analysis
N44501AIRBUS Airbus A321 Neo
→
05/25/2026
2h 10m
No alerts
Replay Analysis
N430UAAIRBUS Airbus A320
→
05/25/2026
2h 7m
No alerts
Replay Analysis
N14539AIRBUS Airbus A321 Neo
→
05/24/2026
2h 12m
No alerts
Replay Analysis
N488UAAIRBUS Airbus A320
→
05/24/2026
2h 19m
No alerts
Replay Analysis
N14546
→
05/23/2026
2h 9m
No alerts
Replay Analysis
N1902UAIRBUS Airbus A320
→
05/23/2026
2h 22m
No alerts
Replay Analysis
N24526AIRBUS Airbus A321 Neo
→
05/21/2026
2h 13m
No alerts
Replay Analysis
N452UAAIRBUS Airbus A320
→
05/21/2026
2h 12m
No alerts
Replay Analysis
N63820BOEING Boeing 737-900
→
05/21/2026
1h 5m
No alerts
Replay Analysis
N14566AIRBUS Airbus A321 Neo
→
05/20/2026
5m
No alerts
Replay Analysis
N14566AIRBUS Airbus A321 Neo
→
05/20/2026
1h 56m
No alerts
Replay Analysis
N14536AIRBUS Airbus A321 Neo
→
05/18/2026
2h 17m
No alerts
Replay Analysis
N38268BOEING Boeing 737-800
→
05/18/2026
46m
△ Unstable
Replay Analysis
N14528AIRBUS Airbus A321 Neo
→
05/18/2026
10m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window