Historical on-time performance
Baltimore to Atlanta
577 miData through May 2026Source: US DOT · BTS
Flights on BWI–ATL arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled2.0%of scheduled flights
based on 5,296 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time82%Medianon timep9030 minCancel2.2%Flights2,838
- Spirit AirlinesOn-time77%Medianon timep9020 minCancel0.0%Flights30
- Southwest AirlinesOn-time76%Medianon timep9040 minCancel1.4%Flights1,580
- Frontier AirlinesOn-time65%Medianon timep9070 minCancel2.7%Flights848
Why flights run late
Delay causes
- Airline33%
- Weather4%
- Air traffic (NAS)24%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline49%
- Weather48%
- Air traffic (NAS)4%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 107 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BWI → ATL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 85% on time.
- Mornings85% on time · p90 20 min · 6,382 flights
- Middays82% on time · p90 25 min · 3,997 flights
- Afternoons75% on time · p90 50 min · 2,980 flights
- Evenings64% on time · p90 75 min · 3,301 flights
- Overnights62% on time · p90 70 min · 1,010 flights
Best day of week
Wednesdays are the most reliable day to fly this route — 84% on time.
- Wednesdays84% on time · p90 25 min · 2,422 flights
- Tuesdays81% on time · p90 30 min · 2,425 flights
- Thursdays79% on time · p90 35 min · 2,715 flights
- Saturdays76% on time · p90 45 min · 2,095 flights
- Fridays76% on time · p90 45 min · 2,698 flights
- Mondays75% on time · p90 45 min · 2,674 flights
- Sundays73% on time · p90 60 min · 2,641 flights
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