WN1734 DenverDEN · 18:35 OntarioONT · 19:30
WN1734 by Southwest Airlines flies from Denver (DEN) to Ontario (ONT).
Same number through DEN → PHX → ONT
scheduled from DEN
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DEN and ONT 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
ForecastDenver to Phoenix with Southwest Airlines · Mon 2 Nov, local date
- Chance a departure leaves 60+ min late
- 15%1.3× usual
Forecast weather: 84% chance of rain and gusts to 30 kt at Denver
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 11 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Denver to Ontario flights today
same route · Southwest AirlinesIf WN1734 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to Ontario on the same day, with scheduled departure times in DEN 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 WN1734 actually runs
Pro Flight Search has tracked every published board update for WN1734 across the DEN and ONT boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +68 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN1734 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N7713A, N282WN, N1807U.
Board clocks recorded as DEN and ONT published them.
Planning around WN1734? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: WN1734 Denver to Ontario on-time performance, measured from the DEN and ONT airport boards.
https://proflightsearch.com/flight/WN1734
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