DL3123 Salt Lake CitySLC · 09:51 San AntonioSAT · 13:39
DL3123 by Delta Air Lines flies from Salt Lake City (SLC) to San Antonio (SAT) for the Thu, Nov 12 departure.
arrival expected at SAT · 6 min early
board checked 4m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SLC and SAT 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 at Salt Lake City
ForecastFri 13 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at San Antonio
ForecastFri 13 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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 Salt Lake City to San Antonio flights today
same route · Delta Air LinesIf DL3123 is cancelled, these are the other Delta Air Lines nonstop flights from Salt Lake City to San Antonio on the same day, with scheduled departure times in SLC 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 DL3123 actually runs
Pro Flight Search has tracked every published board update for DL3123 across the SLC and SAT boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: departed +7 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how DL3123 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: N138DU, N103DU.
Board clocks recorded as SLC and SAT published them.
Planning around DL3123? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: DL3123 Salt Lake City to San Antonio on-time performance, measured from the SLC and SAT airport boards.
https://proflightsearch.com/flight/DL3123
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