Flight Status & Tracker

UAL391

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

UAL391 is a flight number operated by UNITED AIRLINES INC between Burlington International Airport (KBTV) and Denver International Airport (KDEN). SkyMeter last tracked UAL391 on October 20, 2026. The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 3h 8m. SkyMeter has observed 74 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
74
last 90 days
⏱
AVG DURATION
3h 8m
tracked time
📅
SERVICE PERIOD
5/31/2025 → 10/20/2026
first → last seen
🗺
ROUTES / TYPES
17 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KBTV → KDEN
34
avg 4h 7m · Burlington → Denver
K18V → KDEN
2
avg 14m · Platte Valley Airpark → Denver
1CO8 → KDEN
2
avg 14m · Everitt → Denver
34VA → KIAD
1
avg 5m · Loudoun Hospital Center Heliport → Washington Dulles
60CO → KDEN
1
avg 10m · Stevens → Denver
71CO → KDEN
1
avg 15m · Houston Heliport → Denver
KBTV → KCOS
1
avg 4h 49m · Burlington → City of Colorado Springs
US-0174 → KDEN
1
avg 17m · Aurora Airpark → Denver
KBTV → KLNK
1
avg 4h 14m · Burlington → Lincoln
KBTV → KCLE
1
avg 2h 0m · Burlington → Cleveland Hopkins

Aircraft types

Equipment used on this number

4
B738 BOEING Boeing 737-800
124
B38M BOEING Boeing 737 MAX 8
10
B739 BOEING Boeing 737-900
4
B39M BOEING Boeing 737 MAX 9
4

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 UAL391

30
N73291BOEING Boeing 737-800
→
10/20/2026
10m
No alerts
Replay Analysis
N76514BOEING Boeing 737-800
→
10/18/2026
3h 7m
No alerts
Replay Analysis
N38424BOEING Boeing 737-900
→
10/17/2026
16m
No alerts
Replay Analysis
N38424BOEING Boeing 737-900
→
10/16/2026
3h 41m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
10/16/2026
23m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
10/15/2026
3h 48m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
10/15/2026
4h 12m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
10/15/2026
1h 12m
No alerts
Replay Analysis
N76503BOEING Boeing 737-800
→
10/11/2026
15m
No alerts
Replay Analysis
N76503BOEING Boeing 737-800
→
10/10/2026
3h 44m
No alerts
Replay Analysis
N76288BOEING Boeing 737-800
→
10/10/2026
16m
No alerts
Replay Analysis
N76288BOEING Boeing 737-800
→
10/9/2026
3h 59m
No alerts
Replay Analysis
N76288BOEING Boeing 737-800
→
10/9/2026
3h 42m
No alerts
Replay Analysis
N37267BOEING Boeing 737-800
→
10/9/2026
2h 13m
No alerts
Replay Analysis
N37267BOEING Boeing 737-800
→
10/8/2026
2h 4m
No alerts
Replay Analysis
N35236BOEING Boeing 737-800
→
10/8/2026
1h 43m
No alerts
Replay Analysis
N35236BOEING Boeing 737-800
→
10/7/2026
4h 12m
No alerts
Replay Analysis
N35236BOEING Boeing 737-800
→
10/7/2026
2h 28m
No alerts
Replay Analysis
N11206BOEING Boeing 737-800
→
10/6/2026
3h 36m
No alerts
Replay Analysis
N36272BOEING Boeing 737-800
→
10/6/2026
15m
No alerts
Replay Analysis
N36272BOEING Boeing 737-800
→
10/5/2026
3h 46m
No alerts
Replay Analysis
N73291BOEING Boeing 737-800
→
10/5/2026
35m
No alerts
Replay Analysis
N73291BOEING Boeing 737-800
→
10/4/2026
4h 11m
No alerts
Replay Analysis
N73291BOEING Boeing 737-800
→
10/4/2026
3h 35m
No alerts
Replay Analysis
N33289BOEING Boeing 737-800
→
10/4/2026
28m
No alerts
Replay Analysis
N33289BOEING Boeing 737-800
→
10/3/2026
4h 5m
No alerts
Replay Analysis
N33289BOEING Boeing 737-800
→
10/3/2026
3h 37m
No alerts
Replay Analysis
N17301BOEING Boeing 737 MAX 8
→
10/3/2026
1h 2m
No alerts
Replay Analysis
N17301BOEING Boeing 737 MAX 8
→
10/2/2026
4h 0m
No alerts
Replay Analysis
N17301BOEING Boeing 737 MAX 8
→
10/2/2026
2h 58m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window