BOS (Boston) to ATL (Atlanta) flights arrive on time 78% of the time. The most reliable airline on this route is Delta Air Lines at 82%. The average delay is 68 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated July 2026.BOS → ATL
BOS (Boston) to ATL (Atlanta)
BOS → ATL on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 78% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Delta Air Lines is significantly more reliable on this route at 82% on time vs Frontier Airlines at 64%.
Airline Comparison
Delta Air Lines leads at 82% on time; Frontier Airlines trails at 64%.
Accurate?
Good to know
Departing from BOS
77% on timeExpect ~21 min sitting on the taxiway after your gate pushes back. BOS has long runway queues.
TSA is currently ~9 min. Best time: 4 AM (about 5 min).
Arriving at ATL
80% on timeWhen flights into ATL are late, the average delay is 72 minutes. Build buffer if you have ground plans.
If connecting at ATL: TSA is ~30 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 BOS? 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 July 2026. Source: Bureau of Transportation Statistics.