MDT (Harrisburg) to ATL (Atlanta) flights arrive on time 86% of the time. The most reliable airline on this route is Delta Air Lines at 86%. The average delay is 83 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.MDT → ATL
MDT (Harrisburg) to ATL (Atlanta)
MDT → ATL on-time performance by month
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This route is usually on time. About 86% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Airlines are roughly equal on this route — Delta Air Lines leads slightly at 86% vs Endeavor Air at 84%.
Airline Comparison
Delta Air Lines leads at 86% on time; Endeavor Air trails at 84%.
Accurate?
Good to know
Departing from MDT
81% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. MDT has long runway queues.
TSA is currently ~14 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 ~9 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.