Flight Status & Tracker

UAL2231

UNITED AIRLINES INC · DEN → CLT · Last tracked Oct 25, 2026

UAL2231 is a flight number operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Charlotte Douglas International Airport (KCLT). SkyMeter last tracked UAL2231 on October 25, 2026. The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 55m. SkyMeter has observed 76 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
76
last 90 days
⏱
AVG DURATION
2h 55m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/25/2026
first → last seen
🗺
ROUTES / TYPES
5 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
KDEN → KCLT
56
avg 3h 10m · Denver → Charlotte Douglas
KLAX → KORD
1
avg 4h 0m · Los Angeles → Chicago O'Hare

Aircraft types

Equipment used on this number

7
B738 BOEING Boeing 737-800
30
A319 AIRBUS Airbus A319
21
B38M BOEING Boeing 737 MAX 8
13
B39M BOEING Boeing 737 MAX 9
4
A320 AIRBUS Airbus A320
3
B739 BOEING Boeing 737-900
3
A21N AIRBUS Airbus A321 Neo
2

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 UAL2231

30
N54570AIRBUS Airbus A321 Neo
→
10/25/2026
4h 0m
No alerts
Replay Analysis
N73251BOEING Boeing 737-800
→
10/24/2026
3h 8m
No alerts
Replay Analysis
N73251BOEING Boeing 737-800
→
10/23/2026
3h 12m
No alerts
Replay Analysis
N14230BOEING Boeing 737-800
→
10/22/2026
3h 6m
No alerts
Replay Analysis
N47533BOEING Boeing 737 MAX 9
→
10/18/2026
3h 7m
No alerts
Replay Analysis
N37471BOEING Boeing 737-900
→
10/16/2026
3h 1m
No alerts
Replay Analysis
N77296BOEING Boeing 737-800
→
10/15/2026
2h 49m
No alerts
Replay Analysis
N87507BOEING Boeing 737-800
→
10/10/2026
3h 17m
No alerts
Replay Analysis
N78540BOEING Boeing 737-800
→
10/9/2026
3h 14m
No alerts
Replay Analysis
N33289BOEING Boeing 737-800
→
10/8/2026
3h 1m
No alerts
Replay Analysis
N77296BOEING Boeing 737-800
→
10/7/2026
2h 50m
No alerts
Replay Analysis
N76522BOEING Boeing 737-800
→
10/6/2026
3h 14m
No alerts
Replay Analysis
N76529BOEING Boeing 737-800
→
10/5/2026
3h 7m
No alerts
Replay Analysis
N17435BOEING Boeing 737 MAX 9
→
10/4/2026
3h 0m
No alerts
Replay Analysis
N79279BOEING Boeing 737-800
→
10/3/2026
2h 48m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
10/2/2026
2h 59m
No alerts
Replay Analysis
N14230BOEING Boeing 737-800
→
10/1/2026
3h 18m
No alerts
Replay Analysis
N76529BOEING Boeing 737-800
→
9/30/2026
3h 23m
No alerts
Replay Analysis
N76522BOEING Boeing 737-800
→
9/29/2026
3h 2m
No alerts
Replay Analysis
N87512BOEING Boeing 737-800
→
9/28/2026
3h 0m
No alerts
Replay Analysis
N33289BOEING Boeing 737-800
→
9/24/2026
3h 3m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
9/23/2026
3h 1m
No alerts
Replay Analysis
N79521BOEING Boeing 737-800
→
9/22/2026
2h 54m
No alerts
Replay Analysis
N835UAAIRBUS Airbus A319
→
9/21/2026
2h 51m
No alerts
Replay Analysis
N835UAAIRBUS Airbus A319
→
9/21/2026
10m
No alerts
Replay Analysis
N37290BOEING Boeing 737-800
→
9/20/2026
3h 7m
No alerts
Replay Analysis
N76288BOEING Boeing 737-800
→
9/19/2026
3h 20m
No alerts
Replay Analysis
N472UAAIRBUS Airbus A320
→
9/18/2026
3h 18m
No alerts
Replay Analysis
N892UAAIRBUS Airbus A319
→
9/17/2026
3h 15m
No alerts
Replay Analysis
N37504BOEING Boeing 737 MAX 9
→
9/16/2026
3h 21m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window