Historical on-time performance
Buffalo to Atlanta
Flights on BUF–ATL arrive on time 80% of the time over the last 12 months.
based on 1,305 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Delta Air LinesOn-time81%Medianon timep9025 minCancel2.3%Flights1,244
- Frontier AirlinesOn-time72%Medianon timep9055 minCancel0.0%Flights61
Why flights run late
Delay causes
- Airline30%
- Weather8%
- Air traffic (NAS)16%
- Late aircraft46%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline68%
- Weather32%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 28 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 BUF → 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 — 83% on time.
- Mornings83% on time · p90 25 min · 1,125 flights
- Middays79% on time · p90 35 min · 1,262 flights
- Afternoons75% on time · p90 55 min · 568 flights
- Evenings72% on time · p90 55 min · 1,128 flights
Best day of week
Wednesdays are the most reliable day to fly this route — 84% on time.
- Wednesdays84% on time · p90 25 min · 541 flights
- Thursdays80% on time · p90 35 min · 641 flights
- Tuesdays79% on time · p90 45 min · 561 flights
- Saturdays76% on time · p90 40 min · 534 flights
- Fridays76% on time · p90 50 min · 617 flights
- Mondays75% on time · p90 40 min · 612 flights
- Sundays73% on time · p90 55 min · 636 flights
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