Flight Status & Tracker

ESR631

ESR · ICN → OKA · Last tracked Oct 1, 2026

ESR631 is a flight number operated by between Incheon International Airport (RKSI) and Naha Airport (ROAH). SkyMeter last tracked ESR631 on October 1, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 1h 59m. SkyMeter has observed 72 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
72
last 90 days
⏱
AVG DURATION
1h 59m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/1/2026
first → last seen
🗺
ROUTES / TYPES
2 / 2
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
58
avg 1h 59m · Incheon → Naha

Aircraft types

Equipment used on this number

2

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 ESR631

30
9/29/2026
1h 56m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window