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 BOEING Boeing 737-800. Typical block time is 2h 11m. SkyMeter has observed 105 legs of this flight number via ADS-B.

✈
FLIGHTS
105
last 90 days
⏱
AVG DURATION
2h 11m
tracked time
📅
SERVICE PERIOD
04/06/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
10 / 4
city pairs · airframes
⚠
INCIDENT RATE
5.7%
6 flagged

Routes flown

By count · last 90 days

7
KTPA → KDEN
42
avg 3h 48m · Tampa → Denver
KDEN → KFSD
30
avg 1h 24m · Denver → Joe Foss Field
KOMA → KFSD
1
avg 43m · Eppley Airfield → Joe Foss Field
CO12 → KFSD
1
avg 1h 12m · Brighton Van-Aire Estates → Joe Foss Field
FL92 → KDEN
1
avg 3h 41m · L M Hughey Heliport → Denver
KDEN → KOMA
1
avg 1h 55m · Denver → Eppley Airfield
60CO → KFSD
1
avg 1h 2m · Stevens → Joe Foss Field

Aircraft types

Equipment used on this number

4
B738 BOEING Boeing 737-800
93
A320 AIRBUS Airbus A320
27
B39M BOEING Boeing 737 MAX 9
7
B739 BOEING Boeing 737-900
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
6
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
N484UAAIRBUS Airbus A320
→
06/03/2026
21m
No alerts
Replay Analysis
N27205BOEING Boeing 737-800
→
06/03/2026
3h 30m
No alerts
Replay Analysis
N465UAAIRBUS Airbus A320
→
06/03/2026
50m
No alerts
Replay Analysis
N465UAAIRBUS Airbus A320
→
06/02/2026
1h 19m
No alerts
Replay Analysis
N465UAAIRBUS Airbus A320
→
06/02/2026
28m
No alerts
Replay Analysis
N76519BOEING Boeing 737-800
→
06/02/2026
3h 42m
No alerts
Replay Analysis
N464UAAIRBUS Airbus A320
→
06/02/2026
1h 48m
No alerts
Replay Analysis
N36280BOEING Boeing 737-800
→
06/01/2026
4h 43m
No alerts
Replay Analysis
N467UAAIRBUS Airbus A320
→
06/01/2026
46m
No alerts
Replay Analysis
N467UAAIRBUS Airbus A320
→
05/31/2026
36m
No alerts
Replay Analysis
N467UAAIRBUS Airbus A320
→
05/31/2026
1h 22m
No alerts
Replay Analysis
N35204BOEING Boeing 737-800
→
05/31/2026
3h 33m
No alerts
Replay Analysis
N495UAAIRBUS Airbus A320
→
05/31/2026
1h 5m
No alerts
Replay Analysis
N78540BOEING Boeing 737-800
→
05/29/2026
2h 52m
No alerts
Replay Analysis
N491UAAIRBUS Airbus A320
→
05/29/2026
1h 6m
No alerts
Replay Analysis
N491UAAIRBUS Airbus A320
→
05/28/2026
10m
No alerts
Replay Analysis
N14219BOEING Boeing 737-800
→
05/28/2026
3h 28m
△ Unstable
Replay Analysis
N466UAAIRBUS Airbus A320
→
05/28/2026
1h 49m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
05/26/2026
29m
No alerts
Replay Analysis
N76288BOEING Boeing 737-800
→
05/26/2026
3h 36m
No alerts
Replay Analysis
N4901UAIRBUS Airbus A320
→
05/26/2026
56m
No alerts
Replay Analysis
N4901UAIRBUS Airbus A320
→
05/25/2026
34m
No alerts
Replay Analysis
N4901UAIRBUS Airbus A320
→
05/25/2026
1h 31m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
05/25/2026
43m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
05/25/2026
1h 26m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
05/24/2026
1h 54m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
05/24/2026
27m
No alerts
Replay Analysis
N77535BOEING Boeing 737-800
→
05/24/2026
3h 44m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
05/24/2026
50m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
05/23/2026
28m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window