UAL3939

UNITED AIRLINES INC · ANC → DEN

UAL3939 is operated by UNITED AIRLINES INC between Ted Stevens Anchorage International Airport (PANC) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 757-300. Typical block time is 2h 4m. SkyMeter has observed 8 legs of this flight number via ADS-B.

✈
FLIGHTS
8
last 90 days
⏱
AVG DURATION
2h 4m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 05/31/2026
first → last seen
🗺
ROUTES / TYPES
8 / 7
city pairs · airframes
⚠
INCIDENT RATE
12.5%
1 flagged

Routes flown

By count · last 90 days

6
PANC → KDEN
1
avg 4h 37m · Ted Stevens Anchorage → Denver
KEWR → KIAD
1
avg 1h 12m · Newark Liberty → Washington Dulles
KDEN → KLAX
1
avg 2h 18m · Denver → Los Angeles
KMSP → KEWR
1
avg 2h 28m · Minneapolis-St Paul International/Wold-Chamberlain → Newark Liberty
KLAX → KLAS
1
avg 1h 2m · Los Angeles → McCarran
KDEN → KORD
1
avg 2h 23m · Denver → Chicago O'Hare

Aircraft types

Equipment used on this number

7
B753 BOEING Boeing 757-300
3
B739 BOEING Boeing 737-900
2
A21N AIRBUS Airbus A321 Neo
1
B763 BOEING Boeing 767-300
1
B38M BOEING Boeing 737 MAX 8
1
A319 AIRBUS Airbus A319
1
B772 BOEING Boeing 777-200
1

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 10 operations of UAL3939

10
N846UAAIRBUS Airbus A319
→
05/31/2026
2h 28m
△ Unstable
Replay Analysis
N77014BOEING Boeing 777-200
→
05/25/2026
1h 11m
No alerts
Replay Analysis
N14512AIRBUS Airbus A321 Neo
→
05/24/2026
2h 23m
No alerts
Replay Analysis
N37308BOEING Boeing 737 MAX 8
→
05/21/2026
4h 36m
No alerts
Replay Analysis
N77871BOEING Boeing 757-300
→
05/14/2026
1h 31m
No alerts
Replay Analysis
N77871BOEING Boeing 757-300
→
05/13/2026
46m
No alerts
Replay Analysis
N77871BOEING Boeing 757-300
→
05/13/2026
2h 18m
No alerts
Replay Analysis
N659UABOEING Boeing 767-300
→
05/07/2026
1h 16m
No alerts
Replay Analysis
N17594BOEING Boeing 737-900
→
04/20/2026
1h 17m
No alerts
Replay Analysis
N69819BOEING Boeing 737-900
→
04/17/2026
1h 1m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window