Flight Status & Tracker

UAL333

UNITED AIRLINES INC · SEA → DEN · Last tracked Oct 18, 2026

UAL333 is a flight number operated by UNITED AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Denver International Airport (KDEN). SkyMeter last tracked UAL333 on October 18, 2026. The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 0m. SkyMeter has observed 142 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
142
last 90 days
⏱
AVG DURATION
2h 0m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/18/2026
first → last seen
🗺
ROUTES / TYPES
21 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KSEA → KDEN
19
avg 2h 47m · Seattle Tacoma → Denver
KSTL → KDEN
18
avg 2h 25m · St Louis Lambert → Denver
KRIC → KDEN
6
avg 3h 28m · Richmond → Denver
KDEN → KELP
5
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
KSEA → KSLC
1
avg 3h 1m · Seattle Tacoma → Salt Lake City
KCOS → KDEN
1
avg 59m · City of Colorado Springs → Denver
4CO6 → KDEN
1
avg 12m · Lutheran Medical Center Heliport → Denver

Aircraft types

Equipment used on this number

6
B738 BOEING Boeing 737-800
70
A21N AIRBUS Airbus A321 Neo
45
A320 AIRBUS Airbus A320
32
B38M BOEING Boeing 737 MAX 8
27
B739 BOEING Boeing 737-900
21
B39M BOEING Boeing 737 MAX 9
6

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
N63890BOEING Boeing 737-900
→
10/18/2026
2h 26m
No alerts
Replay Analysis
N47284BOEING Boeing 737 MAX 8
→
10/18/2026
1h 36m
No alerts
Replay Analysis
N37473BOEING Boeing 737 MAX 9
→
10/16/2026
2h 24m
No alerts
Replay Analysis
N87507BOEING Boeing 737-800
→
10/16/2026
1h 40m
No alerts
Replay Analysis
N36469BOEING Boeing 737-900
→
10/16/2026
23m
No alerts
Replay Analysis
N36469BOEING Boeing 737-900
→
10/15/2026
2h 44m
No alerts
Replay Analysis
N47462BOEING Boeing 737 MAX 9
→
10/15/2026
1h 41m
No alerts
Replay Analysis
N67815BOEING Boeing 737-900
→
10/13/2026
1h 19m
No alerts
Replay Analysis
N17583BOEING Boeing 737 MAX 9
→
10/10/2026
1h 23m
No alerts
Replay Analysis
N53441BOEING Boeing 737-900
→
10/10/2026
45m
No alerts
Replay Analysis
N53441BOEING Boeing 737-900
→
10/9/2026
3h 6m
No alerts
Replay Analysis
N53441BOEING Boeing 737-900
→
10/9/2026
2h 20m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
10/9/2026
1h 35m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
10/9/2026
22m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
10/8/2026
2h 21m
No alerts
Replay Analysis
N77525BOEING Boeing 737-800
→
10/8/2026
1h 26m
No alerts
Replay Analysis
N68817BOEING Boeing 737-900
→
10/7/2026
1h 31m
No alerts
Replay Analysis
N78506BOEING Boeing 737-800
→
10/6/2026
1h 24m
No alerts
Replay Analysis
N28478BOEING Boeing 737-900
→
10/5/2026
2h 33m
No alerts
Replay Analysis
N76522BOEING Boeing 737-800
→
10/5/2026
1h 33m
No alerts
Replay Analysis
N39423BOEING Boeing 737-900
→
10/5/2026
12m
No alerts
Replay Analysis
N39423BOEING Boeing 737-900
→
10/4/2026
2h 36m
No alerts
Replay Analysis
N76526BOEING Boeing 737-800
→
10/4/2026
1h 25m
No alerts
Replay Analysis
N37274BOEING Boeing 737-800
→
10/3/2026
1h 29m
No alerts
Replay Analysis
N75425BOEING Boeing 737-900
→
10/2/2026
2h 30m
No alerts
Replay Analysis
N37281BOEING Boeing 737-800
→
10/2/2026
1h 25m
No alerts
Replay Analysis
N53441BOEING Boeing 737-900
→
10/1/2026
2h 25m
No alerts
Replay Analysis
N12221BOEING Boeing 737-800
→
10/1/2026
1h 19m
No alerts
Replay Analysis
N69885BOEING Boeing 737-900
→
9/30/2026
1h 30m
No alerts
Replay Analysis
N47505BOEING Boeing 737 MAX 9
→
9/29/2026
18m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window