UAL333 is operated by UNITED AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Denver International Airport (KDEN). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 1h 56m. SkyMeter has observed 156 legs of this flight number via ADS-B.

✈
FLIGHTS
156
last 90 days
⏱
AVG DURATION
1h 56m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/4/2026
first → last seen
🗺
ROUTES / TYPES
18 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KSEA → KDEN
28
avg 2h 51m · Seattle Tacoma → Denver
KSTL → KDEN
16
avg 2h 27m · St Louis Lambert → Denver
KDEN → KELP
4
avg 1h 29m · Denver → El Paso
KCPS → KDEN
1
avg 3h 34m · St Louis Downtown → Denver
KSLC → KDEN
1
avg 1h 43m · Salt Lake City → Denver
7CO3 → KDEN
1
avg 12m · Lindys Airpark → Denver
US-0174 → KDEN
1
avg 15m · Aurora Airpark → Denver
CO12 → KDEN
1
avg 21m · Brighton Van-Aire Estates → Denver
KCOS → KDEN
1
avg 59m · City of Colorado Springs → Denver
KDEN → KMAF
1
avg 2h 58m · Denver → Midland

Aircraft types

Equipment used on this number

6
A21N AIRBUS Airbus A321 Neo
86
A320 AIRBUS Airbus A320
73
B738 BOEING Boeing 737-800
42
B38M BOEING Boeing 737 MAX 8
10
B739 BOEING Boeing 737-900
3
A319 AIRBUS Airbus A319
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 UAL333

30
N76508BOEING Boeing 737-800
→
9/4/2026
1h 56m
No alerts
Replay Analysis
N455UAAIRBUS Airbus A320
→
9/4/2026
1h 35m
No alerts
Replay Analysis
N37298BOEING Boeing 737-800
→
9/4/2026
24m
No alerts
Replay Analysis
N445UAAIRBUS Airbus A320
→
9/3/2026
2h 1m
No alerts
Replay Analysis
N78511BOEING Boeing 737-800
→
9/2/2026
2h 27m
No alerts
Replay Analysis
N465UAAIRBUS Airbus A320
→
9/2/2026
1h 18m
No alerts
Replay Analysis
N17245BOEING Boeing 737-800
→
9/1/2026
2h 20m
No alerts
Replay Analysis
N441UAAIRBUS Airbus A320
→
9/1/2026
2h 22m
No alerts
Replay Analysis
N76503BOEING Boeing 737-800
→
9/1/2026
11m
No alerts
Replay Analysis
N76503BOEING Boeing 737-800
→
8/31/2026
2h 10m
No alerts
Replay Analysis
N76265BOEING Boeing 737-800
→
8/31/2026
1h 22m
No alerts
Replay Analysis
N76265BOEING Boeing 737-800
→
8/30/2026
2h 23m
No alerts
Replay Analysis
N76265BOEING Boeing 737-800
→
8/30/2026
1h 1m
No alerts
Replay Analysis
N47280BOEING Boeing 737 MAX 8
→
8/30/2026
57m
No alerts
Replay Analysis
N47280BOEING Boeing 737 MAX 8
→
8/29/2026
1h 42m
No alerts
Replay Analysis
N47280BOEING Boeing 737 MAX 8
→
8/29/2026
3h 33m
No alerts
Replay Analysis
N47280BOEING Boeing 737 MAX 8
→
8/29/2026
5m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
8/29/2026
1h 24m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
8/29/2026
15m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
8/28/2026
2h 27m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
8/28/2026
2h 12m
No alerts
Replay Analysis
N454UAAIRBUS Airbus A320
→
8/28/2026
1h 24m
No alerts
Replay Analysis
N27271BOEING Boeing 737 MAX 8
→
8/28/2026
15m
No alerts
Replay Analysis
N27271BOEING Boeing 737 MAX 8
→
8/27/2026
2h 35m
No alerts
Replay Analysis
N27271BOEING Boeing 737 MAX 8
→
8/27/2026
2h 19m
No alerts
Replay Analysis
N77295BOEING Boeing 737-800
→
8/27/2026
1h 21m
No alerts
Replay Analysis
N77295BOEING Boeing 737-800
→
8/26/2026
2h 21m
No alerts
Replay Analysis
N77295BOEING Boeing 737-800
→
8/26/2026
1h 0m
No alerts
Replay Analysis
N458UAAIRBUS Airbus A320
→
8/26/2026
1h 39m
No alerts
Replay Analysis
N77539BOEING Boeing 737-800
→
8/26/2026
17m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window