Flight Status & Tracker

UAL400

UNITED AIRLINES INC · DEN → ANC · Last tracked Oct 10, 2026

UAL400 is a flight number operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Ted Stevens Anchorage International Airport (PANC). SkyMeter last tracked UAL400 on October 10, 2026. The flight is most often flown by a AIRBUS Airbus A320. Typical block time is 3h 21m. SkyMeter has observed 85 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
85
last 90 days
⏱
AVG DURATION
3h 21m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/10/2026
first → last seen
🗺
ROUTES / TYPES
11 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

7
KDEN → PANC
23
avg 5h 25m · Denver → Ted Stevens Anchorage
KRIC → KDEN
19
avg 3h 25m · Richmond → Denver
KSFO → KAUS
12
avg 3h 30m · San Francisco → Austin Bergstrom
CYEG → KDEN
4
avg 2h 27m · Edmonton → Denver
KHAF → KAUS
2
avg 3h 12m · Half Moon Bay → Austin Bergstrom
KCOS → KDEN
1
avg 51m · City of Colorado Springs → Denver
KRIC → KCOS
1
avg 4h 0m · Richmond → City of Colorado Springs

Aircraft types

Equipment used on this number

4
A320 AIRBUS Airbus A320
61
B38M BOEING Boeing 737 MAX 8
31
B738 BOEING Boeing 737-800
15
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
N452UAAIRBUS Airbus A320
→
10/10/2026
3h 42m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
10/9/2026
5m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
10/9/2026
3h 37m
No alerts
Replay Analysis
N477UAAIRBUS Airbus A320
→
10/8/2026
5m
No alerts
Replay Analysis
N477UAAIRBUS Airbus A320
→
10/8/2026
3h 15m
No alerts
Replay Analysis
N490UAAIRBUS Airbus A320
→
10/7/2026
5m
No alerts
Replay Analysis
N490UAAIRBUS Airbus A320
→
10/7/2026
3h 23m
No alerts
Replay Analysis
N459UAAIRBUS Airbus A320
→
10/6/2026
3h 10m
No alerts
Replay Analysis
N461UAAIRBUS Airbus A320
→
10/5/2026
12m
No alerts
Replay Analysis
N461UAAIRBUS Airbus A320
→
10/5/2026
3h 23m
No alerts
Replay Analysis
N491UAAIRBUS Airbus A320
→
10/4/2026
12m
No alerts
Replay Analysis
N491UAAIRBUS Airbus A320
→
10/4/2026
44m
No alerts
Replay Analysis
N491UAAIRBUS Airbus A320
→
10/4/2026
3h 27m
No alerts
Replay Analysis
N435UAAIRBUS Airbus A320
→
10/3/2026
3h 15m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
10/2/2026
21m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
10/2/2026
3h 46m
No alerts
Replay Analysis
N484UAAIRBUS Airbus A320
→
10/1/2026
3h 37m
No alerts
Replay Analysis
N1902UAIRBUS Airbus A320
→
9/30/2026
20m
No alerts
Replay Analysis
N1902UAIRBUS Airbus A320
→
9/30/2026
3h 14m
No alerts
Replay Analysis
N491UAAIRBUS Airbus A320
→
9/29/2026
3h 32m
No alerts
Replay Analysis
N430UAAIRBUS Airbus A320
→
9/28/2026
3h 14m
No alerts
Replay Analysis
N457UAAIRBUS Airbus A320
→
9/25/2026
3h 42m
No alerts
Replay Analysis
N37257BOEING Boeing 737 MAX 8
→
9/14/2026
5h 30m
No alerts
Replay Analysis
N47280BOEING Boeing 737 MAX 8
→
9/13/2026
4h 22m
No alerts
Replay Analysis
N17311BOEING Boeing 737 MAX 8
→
9/12/2026
5h 41m
No alerts
Replay Analysis
N17338BOEING Boeing 737 MAX 8
→
9/11/2026
5h 25m
No alerts
Replay Analysis
N17338BOEING Boeing 737 MAX 8
→
9/11/2026
13m
No alerts
Replay Analysis
N27255BOEING Boeing 737 MAX 8
→
9/10/2026
5h 37m
No alerts
Replay Analysis
N47370BOEING Boeing 737 MAX 8
→
9/8/2026
5h 24m
No alerts
Replay Analysis
N27258BOEING Boeing 737 MAX 8
→
9/5/2026
5h 5m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window