UAL645 is operated by UNITED AIRLINES INC between Tampa International Airport (KTPA) and Denver International Airport (KDEN). The flight is most often flown by a AIRBUS Airbus A320. Typical block time is 2h 10m. SkyMeter has observed 164 legs of this flight number via ADS-B.

✈
FLIGHTS
164
last 90 days
⏱
AVG DURATION
2h 10m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/29/2026
first → last seen
🗺
ROUTES / TYPES
10 / 4
city pairs · airframes
⚠
INCIDENT RATE
1.8%
3 flagged

Routes flown

By count · last 90 days

4
KTPA → KDEN
66
avg 3h 37m · Tampa → Denver
KDEN → KFSD
65
avg 1h 26m · Denver → Joe Foss Field
CO12 → KFSD
1
avg 1h 3m · Brighton Van-Aire Estates → Joe Foss Field
KTPA → KABQ
1
avg 4h 41m · Tampa → Albuquerque International Sunport

Aircraft types

Equipment used on this number

4
A320 AIRBUS Airbus A320
142
B738 BOEING Boeing 737-800
82
B39M BOEING Boeing 737 MAX 9
6
B739 BOEING Boeing 737-900
4

Safety profile

Flagged flights · last 90 days

Go-arounds
2
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 UAL645

30
N78506BOEING Boeing 737-800
→
08/29/2026
1h 3m
No alerts
Replay Analysis
N76508BOEING Boeing 737-800
→
08/26/2026
1h 0m
No alerts
Replay Analysis
N76508BOEING Boeing 737-800
→
08/25/2026
27m
No alerts
Replay Analysis
N76508BOEING Boeing 737-800
→
08/25/2026
1h 28m
No alerts
Replay Analysis
N35271BOEING Boeing 737-800
→
08/25/2026
1h 40m
No alerts
Replay Analysis
N14240BOEING Boeing 737-800
→
08/23/2026
1h 34m
No alerts
Replay Analysis
N14219BOEING Boeing 737-800
→
08/18/2026
31m
No alerts
Replay Analysis
N33284BOEING Boeing 737-800
→
08/18/2026
49m
No alerts
Replay Analysis
N33284BOEING Boeing 737-800
→
08/17/2026
1h 19m
No alerts
Replay Analysis
N33284BOEING Boeing 737-800
→
08/17/2026
29m
No alerts
Replay Analysis
N37287BOEING Boeing 737-800
→
08/17/2026
1h 0m
No alerts
Replay Analysis
N37287BOEING Boeing 737-800
→
08/16/2026
1h 19m
No alerts
Replay Analysis
N37287BOEING Boeing 737-800
→
08/16/2026
18m
No alerts
Replay Analysis
N76516BOEING Boeing 737-800
→
08/16/2026
1h 22m
No alerts
Replay Analysis
N26226BOEING Boeing 737-800
→
08/15/2026
8m
No alerts
Replay Analysis
N26226BOEING Boeing 737-800
→
08/15/2026
1h 38m
No alerts
Replay Analysis
N26215BOEING Boeing 737-800
→
08/14/2026
1h 24m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
08/12/2026
1h 20m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
08/11/2026
17m
No alerts
Replay Analysis
N77520BOEING Boeing 737-800
→
08/10/2026
3h 35m
No alerts
Replay Analysis
N455UAAIRBUS Airbus A320
→
08/10/2026
1h 31m
No alerts
Replay Analysis
N77295BOEING Boeing 737-800
→
08/09/2026
52m
No alerts
Replay Analysis
N474UAAIRBUS Airbus A320
→
08/09/2026
33m
No alerts
Replay Analysis
N474UAAIRBUS Airbus A320
→
08/09/2026
1h 27m
No alerts
Replay Analysis
N37267BOEING Boeing 737-800
→
08/08/2026
3h 13m
No alerts
Replay Analysis
N483UAAIRBUS Airbus A320
→
08/08/2026
55m
No alerts
Replay Analysis
N483UAAIRBUS Airbus A320
→
08/07/2026
1h 17m
No alerts
Replay Analysis
N483UAAIRBUS Airbus A320
→
08/07/2026
22m
No alerts
Replay Analysis
N18243BOEING Boeing 737-800
→
08/07/2026
3h 37m
No alerts
Replay Analysis
N484UAAIRBUS Airbus A320
→
08/07/2026
1h 2m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window