DL1251 AtlantaATL · 20:59 TucsonTUS · 21:41
DL1251 by Delta Air Lines flies from Atlanta (ATL) to Tucson (TUS).
scheduled from ATL
⚖ DL1251 typically leaves +12 and lands −14. The air wins minutes back.Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −14 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by TUS (Tucson), currently flying VFR (visual). For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Atlanta to Tucson flights today
same route · Delta Air LinesIf DL1251 is cancelled, this is the other Delta Air Lines nonstop flight from Atlanta to Tucson on the same day, with scheduled departure times in ATL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL1251 actually runs
Pro Flight Search has tracked every published board update for DL1251 across the ATL and TUS boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min early. Based on 14 confirmed landings · 13/14 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how DL1251 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: N875DN, N893DN, N891DN, N896DN.
Board clocks recorded as ATL and TUS published them.
Planning around DL1251? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL1251 Atlanta to Tucson on-time performance, measured from the ATL and TUS airport boards.
https://proflightsearch.com/flight/DL1251
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