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Route Reliability

Detroit → Buffalo

DTW–BUF · 241 miles · Detroit Metropolitan Wayne County Airport to Buffalo Niagara International Airport

79
Usually Fine
WanderNerd Reliability Score
79%
Arrive within 15 minutes
13 min
Average arrival delay
1.3%
Cancelled
1,518
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 79% of the time across 1,518 flights. No comparison to make.

What the data says

The 12–3 PM departure wins.

DTW–BUF flights departing between 12–3 PM arrived on time 86% of the time, versus 75% between 3–6 PM.

Sunday scaries are real for this one.

DTW–BUF flights arrived on time 83% of the time on Thursdays. On Sundays: 75%.

Trending in the right direction.

DTW–BUF flights arrived on time 81% of the time over the last three months in the data, compared with 68% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon76%(219 flights)
  • Tue79%(218 flights)
  • Wed79%(219 flights)
  • Thu83%(225 flights)
  • Fri79%(216 flights)
  • Sat78%(183 flights)
  • Sun75%(217 flights)
On-time by departure window
  • 6–9 AM86%(280 flights)
  • 9 AM–12 PM76%(355 flights)
  • 12–3 PM86%(165 flights)
  • 3–6 PM75%(338 flights)
  • 9 PM–12 AM76%(359 flights)
On-time trend by month
79%
May

Jun 69% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%137
July 202571%143
August 202581%142
September 202591%137
October 202590%146
November 202583%110
December 202562%105
January 202665%88
February 202678%95
March 202678%117
April 202688%129
May 202679%148

Keep nerding

Based on 1,518 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.