Historical on-time performance
Charlotte to Buffalo
546 miData through Dec 2025Source: US DOT · BTS
Flights on CLT–BUF arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 1,200 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time72%Medianon timep9055 minCancel1.5%Flights1,200
Why flights run late
Delay causes
- Airline32%
- Weather10%
- Air traffic (NAS)10%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CLT → 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 — 85% on time.
- Mornings85% on time · p90 25 min · 996 flights
- Middays79% on time · p90 30 min · 442 flights
- Evenings68% on time · p90 60 min · 301 flights
- Afternoons63% on time · p90 75 min · 802 flights
- Overnights60% on time · p90 75 min · 973 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 76% on time.
- Tuesdays76% on time · p90 40 min · 473 flights
- Wednesdays75% on time · p90 40 min · 501 flights
- Fridays73% on time · p90 45 min · 521 flights
- Saturdays70% on time · p90 55 min · 473 flights
- Mondays70% on time · p90 55 min · 520 flights
- Sundays67% on time · p90 70 min · 523 flights
- Thursdays65% on time · p90 60 min · 507 flights
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