Flight Status & Tracker

UAL398

UNITED AIRLINES INC · IAD → KEF · Last tracked Oct 19, 2026

UAL398 is a flight number operated by UNITED AIRLINES INC between Washington Dulles International Airport (KIAD) and Keflavik International Airport (BIKF). SkyMeter last tracked UAL398 on October 19, 2026. The flight is most often flown by a BOEING Boeing 757-200. Typical block time is 4h 4m. SkyMeter has observed 71 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
71
last 90 days
⏱
AVG DURATION
4h 4m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/19/2026
first → last seen
🗺
ROUTES / TYPES
5 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
KIAD → BIKF
25
avg 5h 46m · Washington Dulles → Keflavik
KBNA → KORD
19
avg 1h 19m · Nashville → Chicago O'Hare

Aircraft types

Equipment used on this number

3
B752 BOEING Boeing 757-200
48
B737 BOEING Boeing 737-700
20
B753 BOEING Boeing 757-300
7

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
N16709BOEING Boeing 737-700
→
10/19/2026
1h 8m
No alerts
Replay Analysis
N27734BOEING Boeing 737-700
→
10/18/2026
1h 12m
No alerts
Replay Analysis
N15712BOEING Boeing 737-700
→
10/16/2026
1h 16m
No alerts
Replay Analysis
N14735BOEING Boeing 737-700
→
10/15/2026
1h 27m
No alerts
Replay Analysis
N24729BOEING Boeing 737-700
→
10/10/2026
1h 29m
No alerts
Replay Analysis
N39728BOEING Boeing 737-700
→
10/9/2026
1h 19m
No alerts
Replay Analysis
N38727BOEING Boeing 737-700
→
10/8/2026
1h 10m
No alerts
Replay Analysis
N14735BOEING Boeing 737-700
→
10/7/2026
1h 16m
No alerts
Replay Analysis
N27724BOEING Boeing 737-700
→
10/6/2026
1h 13m
No alerts
Replay Analysis
N13750BOEING Boeing 737-700
→
10/5/2026
1h 25m
No alerts
Replay Analysis
N13720BOEING Boeing 737-700
→
10/4/2026
1h 5m
No alerts
Replay Analysis
N16701BOEING Boeing 737-700
→
10/3/2026
1h 32m
No alerts
Replay Analysis
N14704BOEING Boeing 737-700
→
10/2/2026
1h 21m
No alerts
Replay Analysis
N17719BOEING Boeing 737-700
→
10/1/2026
1h 18m
No alerts
Replay Analysis
N13720BOEING Boeing 737-700
→
9/30/2026
11m
No alerts
Replay Analysis
N13720BOEING Boeing 737-700
→
9/30/2026
1h 31m
No alerts
Replay Analysis
N14735BOEING Boeing 737-700
→
9/29/2026
1h 14m
No alerts
Replay Analysis
N13750BOEING Boeing 737-700
→
9/28/2026
1h 17m
No alerts
Replay Analysis
N24702BOEING Boeing 737-700
→
9/26/2026
1h 23m
No alerts
Replay Analysis
N24736BOEING Boeing 737-700
→
9/24/2026
1h 29m
No alerts
Replay Analysis
N58101BOEING Boeing 757-200
→
9/23/2026
5h 34m
No alerts
Replay Analysis
N41140BOEING Boeing 757-200
→
9/21/2026
5h 47m
No alerts
Replay Analysis
N29129BOEING Boeing 757-200
→
9/20/2026
5h 50m
No alerts
Replay Analysis
N41140BOEING Boeing 757-200
→
9/16/2026
5h 40m
No alerts
Replay Analysis
N14115BOEING Boeing 757-200
→
9/15/2026
6h 5m
No alerts
Replay Analysis
N17122BOEING Boeing 757-200
→
9/14/2026
5h 28m
No alerts
Replay Analysis
N33103BOEING Boeing 757-200
→
9/12/2026
5h 53m
No alerts
Replay Analysis
N14120BOEING Boeing 757-200
→
9/11/2026
5h 24m
No alerts
Replay Analysis
N14121BOEING Boeing 757-200
→
9/10/2026
5h 18m
No alerts
Replay Analysis
N12114BOEING Boeing 757-200
→
9/8/2026
5h 56m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window