ATL (Atlanta) to SFO (San Francisco) flights arrive on time 73% of the time. The most reliable airline on this route is Delta Air Lines at 75%. The average delay is 62 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.ATL → SFO
ATL (Atlanta) to SFO (San Francisco)
ATL → SFO on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 73% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Delta Air Lines is significantly more reliable on this route at 75% on time vs Frontier Airlines at 58%.
Airline Comparison
Delta Air Lines leads at 75% on time; Frontier Airlines trails at 58%.
Accurate?
Good to know
Departing from ATL
81% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. ATL has long runway queues.
TSA is currently ~9 min. Best time: 4 AM (about 5 min).
Arriving at SFO
76% on timeWhen flights into SFO are late, the average delay is 69 minutes. Build buffer if you have ground plans.
If connecting at SFO: TSA is ~13 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
Flying out of ATL? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.