UAL400 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Ted Stevens Anchorage International Airport (PANC). The flight is most often flown by a AIRBUS Airbus A320. Typical block time is 3h 52m. SkyMeter has observed 79 legs of this flight number via ADS-B.

✈
FLIGHTS
79
last 90 days
⏱
AVG DURATION
3h 52m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/10/2026
first → last seen
🗺
ROUTES / TYPES
13 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KRIC → KDEN
28
avg 3h 33m · Richmond → Denver
KDEN → PANC
28
avg 5h 24m · Denver → Ted Stevens Anchorage
KABQ → KIAD
4
avg 3h 27m · Albuquerque International Sunport → Washington Dulles
KOKC → KDEN
2
avg 1h 55m · Will Rogers World → Denver
7CO3 → KDEN
1
avg 13m · Lindys Airpark → Denver
KCOS → KDEN
1
avg 51m · City of Colorado Springs → Denver
KDEN → KICT
1
avg 1h 13m · Denver → Wichita Eisenhower National
US-2549 → KDEN
1
avg 11m · Bigfoot Turf → Denver
KRIC → KCOS
1
avg 4h 0m · Richmond → City of Colorado Springs
KRIC → KIAH
1
avg 2h 37m · Richmond → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

5
A320 AIRBUS Airbus A320
61
B38M BOEING Boeing 737 MAX 8
39
B738 BOEING Boeing 737-800
7
B737 BOEING Boeing 737-700
7
B39M BOEING Boeing 737 MAX 9
1

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 UAL400

30
N479UAAIRBUS Airbus A320
→
8/11/2026
17m
No alerts
Replay Analysis
N479UAAIRBUS Airbus A320
→
8/10/2026
3h 25m
No alerts
Replay Analysis
N479UAAIRBUS Airbus A320
→
8/10/2026
3h 43m
No alerts
Replay Analysis
N26208BOEING Boeing 737-800
→
8/10/2026
50m
No alerts
Replay Analysis
N26208BOEING Boeing 737-800
→
8/9/2026
2h 29m
No alerts
Replay Analysis
N26208BOEING Boeing 737-800
→
8/9/2026
3h 20m
No alerts
Replay Analysis
N460UAAIRBUS Airbus A320
→
8/9/2026
51m
No alerts
Replay Analysis
N460UAAIRBUS Airbus A320
→
8/9/2026
1h 5m
No alerts
Replay Analysis
N460UAAIRBUS Airbus A320
→
8/8/2026
2h 53m
No alerts
Replay Analysis
N460UAAIRBUS Airbus A320
→
8/8/2026
3h 59m
No alerts
Replay Analysis
N17597BOEING Boeing 737 MAX 9
→
8/8/2026
5h 12m
No alerts
Replay Analysis
N473UAAIRBUS Airbus A320
→
8/8/2026
30m
No alerts
Replay Analysis
N473UAAIRBUS Airbus A320
→
8/7/2026
2h 50m
No alerts
Replay Analysis
N473UAAIRBUS Airbus A320
→
8/7/2026
3h 21m
No alerts
Replay Analysis
N434UAAIRBUS Airbus A320
→
8/7/2026
1h 2m
No alerts
Replay Analysis
N434UAAIRBUS Airbus A320
→
8/6/2026
2h 22m
No alerts
Replay Analysis
N434UAAIRBUS Airbus A320
→
8/6/2026
3h 25m
No alerts
Replay Analysis
N498UAAIRBUS Airbus A320
→
8/4/2026
28m
No alerts
Replay Analysis
N498UAAIRBUS Airbus A320
→
8/3/2026
3h 13m
No alerts
Replay Analysis
N498UAAIRBUS Airbus A320
→
8/3/2026
3h 41m
No alerts
Replay Analysis
N35204BOEING Boeing 737-800
→
8/2/2026
3h 23m
No alerts
Replay Analysis
N17336BOEING Boeing 737 MAX 8
→
8/2/2026
5h 31m
No alerts
Replay Analysis
N465UAAIRBUS Airbus A320
→
8/1/2026
1h 59m
No alerts
Replay Analysis
N430UAAIRBUS Airbus A320
→
7/31/2026
3h 23m
No alerts
Replay Analysis
N469UAAIRBUS Airbus A320
→
7/31/2026
20m
No alerts
Replay Analysis
N469UAAIRBUS Airbus A320
→
7/30/2026
2h 57m
No alerts
Replay Analysis
N469UAAIRBUS Airbus A320
→
7/30/2026
3h 18m
No alerts
Replay Analysis
N490UAAIRBUS Airbus A320
→
7/28/2026
1h 44m
No alerts
Replay Analysis
N490UAAIRBUS Airbus A320
→
7/27/2026
1h 35m
No alerts
Replay Analysis
N490UAAIRBUS Airbus A320
→
7/27/2026
3h 20m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window