PHL (Philadelphia) to ATL (Atlanta) flights arrive on time 78% of the time. The most reliable airline on this route is Republic Airways at 88%. The average delay is 74 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated April 2026.PHL → ATL
PHL (Philadelphia) to ATL (Atlanta)
PHL → ATL on-time performance by month
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.
Republic Airways is significantly more reliable on this route at 88% on time vs Frontier Airlines at 67%.
Airline Comparison
Republic Airways leads at 88% on time; Frontier Airlines trails at 67%.
Good to know
Departing from PHL
79% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. PHL has long runway queues.
TSA is currently ~30 min. Best time: 4 AM (about 5 min).
Arriving at ATL
83% on timeWhen flights into ATL are late, the average delay is 68 minutes. Build buffer if you have ground plans.
If connecting at ATL: TSA is ~24 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated April 2026. Source: Bureau of Transportation Statistics.