BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
CLT→BUF

Charlotte, NC (CLT) to Buffalo, NY (BUF) flight delay odds

70.6% of 1,192 official scheduled CLT-to-BUF flights arrived on time; 17.4% arrived at least 30 minutes late and 1.9% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
70.6%arrived on time
17.4%30+ min late
1.9%cancelled
1,192scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.4%all scheduled flights
120+ minutes late3.6%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+14.1 mincompleted flights

Which departure time was most reliable for CLT to BUF?

Among qualifying CLT-to-BUF departure window results, Late morning had the highest on-time rate: 83.3% of 390 flights. Night was lowest at 62.8% across 277 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning39083.3%9.7%1.8%
Afternoon35064.3%21.4%1.7%
Evening14263.4%26.1%0.0%
Night27762.8%19.9%3.6%

Which weekday was most reliable for CLT to BUF?

Among qualifying CLT-to-BUF weekday results, Wednesday had the highest on-time rate: 80.1% of 166 flights. Monday was lowest at 62.0% across 171 flights.

DayFlightsOn time30+ minCancelled
Monday17162.0%20.5%4.1%
Tuesday17178.9%11.7%0.6%
Wednesday16680.1%11.4%1.2%
Thursday17068.2%22.4%0.0%
Friday16768.9%19.8%1.2%
Saturday17570.9%17.1%2.9%
Sunday17265.7%19.2%3.5%

Which airline was most reliable for CLT to BUF?

Only American Airlines met the CLT-to-BUF airline threshold: 70.6% of 1,191 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
American Airlines1,19170.6%17.5%1.9%
Southwest Airlines1100.0%0.0%0.0%

Which month was most reliable for CLT to BUF?

Among qualifying CLT-to-BUF month results, September 2025 had the highest on-time rate: 81.8% of 99 flights. December 2025 was lowest at 61.1% across 90 flights.

MonthFlightsOn time30+ minCancelled
July 202512262.3%24.6%4.1%
August 202512264.8%25.4%0.8%
September 20259981.8%9.1%1.0%
October 202512177.7%14.0%0.0%
November 20258877.3%11.4%0.0%
December 20259061.1%22.2%2.2%
January 20269361.3%17.2%11.8%
February 20268769.0%18.4%1.1%
March 20269776.3%14.4%2.1%
April 20269175.8%9.9%0.0%
May 20269371.0%19.4%0.0%
June 20268970.8%20.2%0.0%

What drove CLT to BUF delay minutes?

Late aircraft was the largest recorded CLT-to-BUF delay category, accounting for 52.0% of 22,662 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.5%
Late aircraft52.0%
National airspace8.2%
Weather5.7%
Security0.6%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.