JL400Japan Airlines · DAL → TUL
live · 7h ago
Route confirmed Japan Airlines

JL400 DallasDAL TulsaTUL

JL400 by Japan Airlines flies from Dallas (DAL) to Tulsa (TUL).

Right nowNext departure tomorrow Operates Mon Tue Wed Thu Sun
08:30

scheduled from DAL

The route today

live boards
DALDallasModerate riskDAL delay board →
TULTulsaOn-time likelyTUL delay board →
DAL→TULevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
50%Chance of 15+ min delay
0.8%Chance of cancellation
+13 minTypical airport delay in this weather

Conditions at DAL and TUL are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow on this route

Forecast

Dallas to Tulsa with Japan Airlines · Sun 1 Nov, local date

Outlook: about usual
Chance a departure leaves 60+ min late
11%0.9× usual

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Fewer than one departure a day on this route with this airline, so read it as a rough guide. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Dallas to Tulsa flights

same route · Japan Airlines
JL624departs 21:30 · Tue, Wed, Thu

If JL400 is cancelled, this is the other Japan Airlines nonstop flight from Dallas to Tulsa, with scheduled departure times in DAL local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How JL400 actually runs

Pro Flight Search has tracked every published board update for JL400 across the DAL and TUL boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at DAL and TUL.

The verdict above is that record speaking, so it reflects how JL400 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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: JL400 Dallas to Tulsa on-time performance, measured from the DAL and TUL airport boards.

Canonical URL
https://proflightsearch.com/flight/JL400
How we measure this →