Aero KRF
Flights RF393 09:50 Su · RF395 21:00 Tu Th Su
live
Direct flights from Naha (OKA) to Cheongju (CJJ): 3 nonstop departures observed each week across 1 airline. The median arrival is 3 minutes early. No cancellations were recorded across the 2 tracked flights. The nonstop covers 1,170 km, an estimated 2 hours 0 minutes in the air. Measured by Pro Flight Search from live flight boards at Naha and Cheongju. Updated 13 August 2026 at 15:03 UTC.
OKA
Naha
smooth · +2
CJJ
Cheongju
tracking
1,170 km · ~2h 00m est.
Running clean · 1 airline · 3x weekly · nonstop
100 / 100
route health from live OKA and CJJ delay boards
Median arrival delay is −3 min. 0 of 2 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Search live fares for this route →Median arrival−3 minacross the last 2 operated legs
Flight time~2h 00mestimated from route distance
Weekly departures3x1 direct airline on the leg
Current nonstop fares
OKA → CJJ · one way · economy · 1 adult
TodayChecking…Direct airline fares
TomorrowChecking…Direct airline fares
In one weekChecking…Direct airline fares
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Aero K
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsnext sweep in 120s
How the Naha to Cheongju route actually runs
Pro Flight Search tracks every published board update for nonstop OKA to CJJ flights: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises. Fares link straight to the operating airline with no markups.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Naha (OKA) to Cheongju (CJJ) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/OKA-CJJ
OKA to CJJ questions
Is OKA–CJJ running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on OKA–CJJ?
Operators schedule morning departures around 09:50 and evening departures around 21:00 from OKA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CJJ delay card to confirm conditions when you'd arrive.
How long is the flight from OKA to CJJ?
Great-circle distance is 1,170 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 113–130 min gate-to-gate on this route.
How often does OKA–CJJ fly?
Aero K runs the route with about 4 flights a week (sun, tue, thu). Since one carrier owns the route, a single disruption tends to ripple through the day.
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