UAL517 is operated by UNITED AIRLINES INC between Burlington International Airport (KBTV) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 49m. SkyMeter has observed 90 legs of this flight number via ADS-B.

FLIGHTS
90
last 90 days
AVG DURATION
2h 49m
tracked time
📅
SERVICE PERIOD
06/16/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
12 / 6
city pairs · airframes
INCIDENT RATE
1.1%
1 flagged

Routes flown

By count · last 90 days

6
44
avg 3h 59m · Burlington → Denver
27
avg 1h 44m · Boise Air Terminal/Gowen Field → Denver
3
avg 2h 36m · Edmonton → Denver
1
avg 2h 20m · Dane County Regional Truax Field → George Bush Intercontinental Houston
1
avg 17m · Everitt → Denver
1
avg 2h 17m · Denver → Chicago O'Hare

Safety profile

Flagged flights · last 90 days

Go-arounds
0
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 UAL517

30
08/14/2026
2h 21m
No alerts
08/11/2026
2h 35m
No alerts
08/11/2026
2h 45m
No alerts
08/10/2026
1h 10m
No alerts
08/09/2026
3h 23m
No alerts
08/07/2026
1h 31m
No alerts
08/06/2026
2h 19m
No alerts
08/03/2026
4h 19m
No alerts
08/01/2026
5h 23m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window