Flight Status & Tracker

UAL645

UNITED AIRLINES INC · DEN → FSD · Last tracked Oct 20, 2026

UAL645 is a flight number operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Joe Foss Field Airport (KFSD). SkyMeter last tracked UAL645 on October 20, 2026. The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 29m. SkyMeter has observed 109 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
109
last 90 days
⏱
AVG DURATION
1h 29m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/20/2026
first → last seen
🗺
ROUTES / TYPES
11 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KDEN → KFSD
62
avg 1h 25m · Denver → Joe Foss Field
KTPA → KDEN
14
avg 3h 31m · Tampa → Denver
CO12 → KFSD
1
avg 1h 13m · Brighton Van-Aire Estates → Joe Foss Field
US-0074 → KFSD
1
avg 1h 18m · Henderson → Joe Foss Field
KTPA → KABQ
1
avg 4h 41m · Tampa → Albuquerque International Sunport

Aircraft types

Equipment used on this number

5
B738 BOEING Boeing 737-800
66
A320 AIRBUS Airbus A320
63
B739 BOEING Boeing 737-900
34
B38M BOEING Boeing 737 MAX 8
3
B39M BOEING Boeing 737 MAX 9
3

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 UAL645

30
N75425BOEING Boeing 737-900
→
10/20/2026
1h 5m
No alerts
Replay Analysis
N53442BOEING Boeing 737-900
→
10/19/2026
1h 21m
No alerts
Replay Analysis
N39415BOEING Boeing 737-900
→
10/18/2026
1h 38m
No alerts
Replay Analysis
N68452BOEING Boeing 737-900
→
10/17/2026
27m
No alerts
Replay Analysis
N37427BOEING Boeing 737-900
→
10/16/2026
1h 26m
No alerts
Replay Analysis
N68807BOEING Boeing 737-900
→
10/15/2026
56m
No alerts
Replay Analysis
N57439BOEING Boeing 737-900
→
10/12/2026
1h 19m
No alerts
Replay Analysis
N75429BOEING Boeing 737-900
→
10/10/2026
1h 14m
No alerts
Replay Analysis
N75429BOEING Boeing 737-900
→
10/10/2026
20m
No alerts
Replay Analysis
N75429BOEING Boeing 737-900
→
10/9/2026
1h 19m
No alerts
Replay Analysis
N75435BOEING Boeing 737-900
→
10/8/2026
57m
No alerts
Replay Analysis
N75435BOEING Boeing 737-900
→
10/8/2026
1h 25m
No alerts
Replay Analysis
N75435BOEING Boeing 737-900
→
10/8/2026
27m
No alerts
Replay Analysis
N75435BOEING Boeing 737-900
→
10/7/2026
1h 6m
No alerts
Replay Analysis
N75435BOEING Boeing 737-900
→
10/7/2026
1h 29m
No alerts
Replay Analysis
N75435BOEING Boeing 737-900
→
10/7/2026
22m
No alerts
Replay Analysis
N75428BOEING Boeing 737-900
→
10/6/2026
1h 13m
No alerts
Replay Analysis
N75428BOEING Boeing 737-900
→
10/6/2026
11m
No alerts
Replay Analysis
N61881BOEING Boeing 737-900
→
10/5/2026
1h 26m
No alerts
Replay Analysis
N61881BOEING Boeing 737-900
→
10/5/2026
16m
No alerts
Replay Analysis
N66893BOEING Boeing 737-900
→
10/4/2026
1h 26m
No alerts
Replay Analysis
N37555BOEING Boeing 737 MAX 9
→
10/3/2026
1h 9m
No alerts
Replay Analysis
N37555BOEING Boeing 737 MAX 9
→
10/3/2026
17m
No alerts
Replay Analysis
N38454BOEING Boeing 737-900
→
10/2/2026
1h 12m
No alerts
Replay Analysis
N38454BOEING Boeing 737-900
→
10/2/2026
17m
No alerts
Replay Analysis
N68807BOEING Boeing 737-900
→
10/1/2026
1h 9m
No alerts
Replay Analysis
N68807BOEING Boeing 737-900
→
10/1/2026
1h 41m
No alerts
Replay Analysis
N68807BOEING Boeing 737-900
→
10/1/2026
32m
No alerts
Replay Analysis
N37413BOEING Boeing 737-900
→
9/30/2026
17m
No alerts
Replay Analysis
N37468BOEING Boeing 737-900
→
9/29/2026
1h 18m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window