Historical on-time performance
Detroit to Buffalo
240 miData through Dec 2025Source: US DOT · BTS
Flights on DTW–BUF arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 863 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Delta Air LinesOn-time77%Medianon timep9065 minCancel0.0%Flights386
- SkyWest AirlinesOn-time75%Medianon timep9055 minCancel1.5%Flights477
Why flights run late
Delay causes
- Airline65%
- Weather15%
- Air traffic (NAS)10%
- Late aircraft9%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DTW → BUF
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 20 min · 601 flights
- Afternoons82% on time · p90 35 min · 905 flights
- Middays79% on time · p90 45 min · 955 flights
- Evenings73% on time · p90 65 min · 52 flights · limited
- Overnights73% on time · p90 65 min · 1,082 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 84% on time.
- Tuesdays84% on time · p90 30 min · 524 flights
- Wednesdays82% on time · p90 30 min · 524 flights
- Saturdays81% on time · p90 35 min · 459 flights
- Thursdays79% on time · p90 50 min · 520 flights
- Mondays78% on time · p90 45 min · 528 flights
- Sundays76% on time · p90 70 min · 519 flights
- Fridays75% on time · p90 60 min · 521 flights
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