Flight Status & Tracker

UAL8128

UNITED AIRLINES INC · DEN → ONT · Last tracked Nov 5, 2026

UAL8128 is a flight number operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Ontario International Airport (KONT). SkyMeter last tracked UAL8128 on November 4, 2026. The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 12m. SkyMeter has observed 15 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
15
last 90 days
⏱
AVG DURATION
2h 12m
tracked time
📅
SERVICE PERIOD
6/1/2025 → 11/5/2026
first → last seen
🗺
ROUTES / TYPES
12 / 6
city pairs · airframes
⚠
INCIDENT RATE
6.7%
1 flagged

Routes flown

By count · last 90 days

9
KDEN → KONT
2
avg 2h 11m · Denver → Ontario
KSEA → KIAH
1
avg 4h 2m · Seattle Tacoma → George Bush Intercontinental Houston
KORD → KMCO
1
avg 2h 11m · Chicago O'Hare → Orlando
KIAH → KEWR
1
avg 3h 16m · George Bush Intercontinental Houston → Newark Liberty
KORD → KIAH
1
avg 2h 21m · Chicago O'Hare → George Bush Intercontinental Houston
KIAD → KSEA
1
avg 5h 17m · Washington Dulles → Seattle Tacoma
KEWR → KLAS
1
avg 4h 50m · Newark Liberty → McCarran
KACV → KSFO
1
avg 45m · California Redwood Coast-Humboldt County → San Francisco
KDEN → KPDX
1
avg 2h 32m · Denver → Portland

Aircraft types

Equipment used on this number

6
B738 BOEING Boeing 737-800
4
B39M BOEING Boeing 737 MAX 9
4
B38M BOEING Boeing 737 MAX 8
3
B739 BOEING Boeing 737-900
3
A21N AIRBUS Airbus A321 Neo
2
A320 AIRBUS Airbus A320
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 UAL8128

30
N77471BOEING Boeing 737 MAX 9
→
11/5/2026
4h 46m
No alerts
Replay Analysis
N77471BOEING Boeing 737 MAX 9
→
11/5/2026
5h 16m
No alerts
Replay Analysis
N77471BOEING Boeing 737 MAX 9
→
11/5/2026
30m
No alerts
Replay Analysis
N57466BOEING Boeing 737 MAX 9
→
10/24/2026
3h 15m
No alerts
Replay Analysis
N27366BOEING Boeing 737 MAX 8
→
10/23/2026
15m
No alerts
Replay Analysis
N27366BOEING Boeing 737 MAX 8
→
10/23/2026
4h 49m
No alerts
Replay Analysis
N433UAAIRBUS Airbus A320
→
9/29/2026
44m
No alerts
Replay Analysis
N14553AIRBUS Airbus A321 Neo
→
9/17/2026
2h 20m
No alerts
Replay Analysis
N14553AIRBUS Airbus A321 Neo
→
9/17/2026
14m
No alerts
Replay Analysis
N37287BOEING Boeing 737-800
→
9/15/2026
2h 15m
No alerts
Replay Analysis
N68821BOEING Boeing 737-900
→
9/11/2026
4h 1m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
9/1/2026
2h 11m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
9/1/2026
12m
No alerts
Replay Analysis
N17346BOEING Boeing 737 MAX 8
→
8/28/2026
2h 32m
No alerts
Replay Analysis
N76519BOEING Boeing 737-800
→
8/17/2026
1h 59m
△ Low approach-stability score
Replay Analysis
N34222BOEING Boeing 737-800
→
8/15/2026
43m
No alerts
Replay Analysis
N33294BOEING Boeing 737-800
→
8/15/2026
2h 6m
No alerts
Replay Analysis
N37554BOEING Boeing 737 MAX 9
→
8/11/2026
1h 53m
No alerts
Replay Analysis
N47360BOEING Boeing 737 MAX 8
→
8/11/2026
55m
No alerts
Replay Analysis
N57852BOEING Boeing 757-300
→
8/10/2026
4h 43m
No alerts
Replay Analysis
N495UAAIRBUS Airbus A320
→
8/3/2026
1h 29m
No alerts
Replay Analysis
N14533AIRBUS Airbus A321 Neo
→
7/28/2026
2h 2m
No alerts
Replay Analysis
N14533AIRBUS Airbus A321 Neo
→
7/28/2026
12m
No alerts
Replay Analysis
N17432BOEING Boeing 737 MAX 9
→
7/21/2026
2h 57m
No alerts
Replay Analysis
N461UAAIRBUS Airbus A320
→
7/19/2026
1h 48m
No alerts
Replay Analysis
N27205BOEING Boeing 737-800
→
7/19/2026
48m
No alerts
Replay Analysis
N76504BOEING Boeing 737-800
→
7/10/2026
2h 31m
No alerts
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
7/8/2026
58m
No alerts
Replay Analysis
N17589BOEING Boeing 737 MAX 9
→
7/7/2026
5h 33m
↻ Go-around
Replay Analysis
N852UAAIRBUS Airbus A319
→
6/24/2026
7m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window