UAL398 is operated by UNITED AIRLINES INC between Austin Bergstrom International Airport (KAUS) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 757-200. Typical block time is 3h 51m. SkyMeter has observed 80 legs of this flight number via ADS-B.

✈
FLIGHTS
80
last 90 days
⏱
AVG DURATION
3h 51m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/18/2026
first → last seen
🗺
ROUTES / TYPES
7 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

4
KAUS → KDEN
17
avg 2h 12m · Austin Bergstrom → Denver
KEWR → KCLE
9
avg 1h 17m · Newark Liberty → Cleveland Hopkins
KIAD → BIKF
3
avg 5h 53m · Washington Dulles → Keflavik
KIAD → KORD
1
avg 15h 26m · Washington Dulles → Chicago O'Hare

Aircraft types

Equipment used on this number

7
B752 BOEING Boeing 757-200
50
A319 AIRBUS Airbus A319
13
B38M BOEING Boeing 737 MAX 8
6
A320 AIRBUS Airbus A320
4
B739 BOEING Boeing 737-900
4
B738 BOEING Boeing 737-800
2
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 UAL398

30
N14120BOEING Boeing 757-200
→
07/18/2026
5h 57m
No alerts
Replay Analysis
N14120BOEING Boeing 757-200
→
07/17/2026
6h 10m
No alerts
Replay Analysis
N14120BOEING Boeing 757-200
→
07/16/2026
5m
No alerts
Replay Analysis
N14120BOEING Boeing 757-200
→
07/16/2026
2h 18m
No alerts
Replay Analysis
N34131BOEING Boeing 757-200
→
07/15/2026
5h 56m
No alerts
Replay Analysis
N14121BOEING Boeing 757-200
→
07/14/2026
5h 59m
No alerts
Replay Analysis
N34131BOEING Boeing 757-200
→
07/13/2026
5h 56m
No alerts
Replay Analysis
N19136BOEING Boeing 757-200
→
07/12/2026
5h 28m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
07/11/2026
5h 37m
No alerts
Replay Analysis
N17133BOEING Boeing 757-200
→
07/10/2026
5h 36m
No alerts
Replay Analysis
N17105BOEING Boeing 757-200
→
07/09/2026
5h 40m
No alerts
Replay Analysis
N17128BOEING Boeing 757-200
→
07/08/2026
5h 45m
No alerts
Replay Analysis
N41140BOEING Boeing 757-200
→
07/07/2026
5h 33m
No alerts
Replay Analysis
N41140BOEING Boeing 757-200
→
07/05/2026
5h 34m
No alerts
Replay Analysis
N17122BOEING Boeing 757-200
→
07/04/2026
5h 33m
No alerts
Replay Analysis
N41140BOEING Boeing 757-200
→
07/03/2026
5h 31m
No alerts
Replay Analysis
N17133BOEING Boeing 757-200
→
07/02/2026
6h 4m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
07/01/2026
5h 47m
No alerts
Replay Analysis
N19136BOEING Boeing 757-200
→
06/29/2026
5h 50m
No alerts
Replay Analysis
N14120BOEING Boeing 757-200
→
06/28/2026
5h 44m
No alerts
Replay Analysis
N34131BOEING Boeing 757-200
→
06/27/2026
5h 44m
No alerts
Replay Analysis
N14107BOEING Boeing 757-200
→
06/26/2026
2h 10m
No alerts
Replay Analysis
N19136BOEING Boeing 757-200
→
06/25/2026
5h 18m
No alerts
Replay Analysis
N34131BOEING Boeing 757-200
→
06/24/2026
5h 33m
No alerts
Replay Analysis
N13110BOEING Boeing 757-200
→
06/23/2026
5h 42m
No alerts
Replay Analysis
N57111BOEING Boeing 757-200
→
06/22/2026
5h 57m
No alerts
Replay Analysis
N58101BOEING Boeing 757-200
→
06/20/2026
5h 39m
No alerts
Replay Analysis
N41135BOEING Boeing 757-200
→
06/18/2026
6h 5m
No alerts
Replay Analysis
N14102BOEING Boeing 757-200
→
06/17/2026
5h 56m
No alerts
Replay Analysis
N17122BOEING Boeing 757-200
→
06/16/2026
5h 40m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window