DL1521 Santa AnaSNA · 11:38 AtlantaATL · 18:53
DL1521 by Delta Air Lines flies from Santa Ana (SNA) to Atlanta (ATL) for the Tue, Sep 22 departure.
estimated arrival at ATL · local time · ~14 min from now
position updated 5m ago · checking again in 90s
Live position · flown path, last 3h 24m
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 +3 min · 0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at SNA and ATL 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 Santa Ana to Atlanta flights today
same route · Delta Air LinesIf DL1521 is cancelled, these are the other Delta Air Lines nonstop flights from Santa Ana to Atlanta on the same day, with scheduled departure times in SNA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL1521 actually runs
Pro Flight Search has tracked every published board update for DL1521 across the SNA and ATL boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min late. Based on 11 confirmed landings · 9/11 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 DL1521 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: N723TW, N722TW, N713TW, N6710E.
Board clocks recorded as SNA and ATL published them.
Planning around DL1521? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL1521 Santa Ana to Atlanta on-time performance, measured from the SNA and ATL airport boards.
https://proflightsearch.com/flight/DL1521
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