BWI (Baltimore) to ATL (Atlanta) flights arrive on time 80% of the time. The most reliable airline on this route is Delta Air Lines at 84%. The average delay is 66 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated April 2026.BWI → ATL
BWI (Baltimore) to ATL (Atlanta)
BWI → ATL on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 80% 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 84% on time vs Frontier Airlines at 69%.
Airline Comparison
Delta Air Lines leads at 84% on time; Frontier Airlines trails at 69%.
Accurate?
Good to know
Departing from BWI
78% on timeTSA is currently ~22 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.
Flight cancelled or delayed?
Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
Let us watch your flight
We worry about delays, TSA, weather, and gates so you don't have to.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated April 2026. Source: Bureau of Transportation Statistics.