DL3172 OntarioONT Salt Lake CitySLC
DL3172 by Delta Air Lines flies from Ontario (ONT) to Salt Lake City (SLC).
scheduled from ONT
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at ONT and SLC are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Ontario to Salt Lake City flights today
same route · Delta Air LinesIf DL3172 is cancelled, these are the other Delta Air Lines nonstop flights from Ontario to Salt Lake City on the same day, with scheduled departure times in ONT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL3172 actually runs
Pro Flight Search has tracked every published board update for DL3172 across the ONT and SLC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 12.2/100. Based on airport operations, weather, and cached board history at ONT and SLC.
The verdict above is that record speaking, so it reflects how DL3172 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around DL3172? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL3172 Ontario to Salt Lake City on-time performance, measured from the ONT and SLC airport boards.
https://proflightsearch.com/flight/DL3172
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