Jet Linx AviationJL
Flights JL304 07:00 Su
live
Direct flights from St Louis (STL) to Tokyo (HND): 1 nonstop departure observed each week across 1 airline. The nonstop covers 10,279 km, an estimated 13 hours 41 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Tokyo. Updated 20 October 2026 at 17:40 UTC.
STL
St Louis
smooth · +0
HND
Tokyo
smooth · +0
10,279 km · ~13h 41m est.
Running clean · 1 airline · 1x weekly · nonstop
100 / 100
route health from live STL and HND delay boards
Flight time~13h 41mestimated from route distance
Weekly departures1x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Jet Linx Aviation
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 daysAirports right now
live boardsWeather lens
Current conditions put the pressure at STL: 41% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the St Louis to Tokyo route actually runs
Pro Flight Search records official board updates for nonstop STL to HND flights through the day: 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.
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 — St Louis (STL) to Tokyo (HND) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/STL-HND
STL to HND questions
Is STL–HND 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.
How long is the flight from STL to HND?
Great-circle distance is 10,279 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 756–911 min gate-to-gate on this route.
How often does STL–HND fly?
Jet Linx Aviation runs the route with about 1 flight a week (sun). Since one carrier owns the route, a single disruption tends to ripple through the day.
What does the route health score measure?
A blend of departure-side delay at STL and arrival-side delay at HND, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.
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