ON TIMEBOARD

BUF → DTW on time

Buffalo Niagara (Buffalo, NY) to Detroit Metro (Detroit, MI). Every scheduled flight, September 2025 to August 2026.

On time
80%
arrived < 15 min late
Cancelled
1.8%
1,538 flights
Typical arrival
−11 min
median vs schedule
When late
+100 min
average delay
Flights / day
4
1 airline

80% of flights from Buffalo to Detroit arrived on time over the past 12 months. That is about the typical U.S. route. The 3 p.m. departures ran on time 85% of the time; the 5 p.m. ones 66%. 10% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for BUF → DTW: when a flight was late, it was under 45 minutes late 43% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 39 three hours or more; 1.8% were cancelled outright.

Share of all 1,538 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines1,53880%1.8%−11 min8.7%+100 minSkyWest 55%, Delta Air Lines 29%, Endeavor Air 16%, Republic Airways 1%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at BUF). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 83% on time (365 flights)836a7 a.m. departures: too few flights7a8 a.m. departures: too few flights (78 flights)8a9 a.m. departures: 84% on time (147 flights)849a10 a.m. departures: too few flights (60 flights)10a11 a.m. departures: too few flights11anoon departures: 81% on time (280 flights)8112p1 p.m. departures: too few flights (77 flights)1p2 p.m. departures: too few flights2p3 p.m. departures: 85% on time (148 flights)853p4 p.m. departures: too few flights (33 flights)4p5 p.m. departures: 66% on time (158 flights)665p6 p.m. departures: too few flights (14 flights)6p7 p.m. departures: 75% on time (178 flights)757p
BUF → DTW, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On BUF → DTW, each airline's last flight of the day was cancelled 2.7% of the time, against 1.5% for its earlier flights (1.9× as often). It arrived 3+ hours late 3.0% of the time (earlier flights: 2.5%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Delta Air Lines7:50 p.m.2.7%3.0%1.5%first flight 6:29 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in DTW tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: October (91%). Worst: January (62%).

40%70%100%Jan: 62% on time (279 flights)62JanFeb: 77% on time (267 flights)77FebMar: 79% on time (343 flights)79MarApr: 87% on time (361 flights)87AprMay: 88% on time (386 flights)88MayJun: 79% on time (397 flights)79JunJul: 79% on time (411 flights)79JulAug: 82% on time (408 flights)82AugSep: 91% on time (362 flights)91SepOct: 91% on time (379 flights)91OctNov: 86% on time (323 flights)86NovDec: 71% on time (317 flights)71Dec

By day of week

DayFlightsOn timeCancelled
Monday23280%2.6%
Tuesday22278%1.4%
Wednesday22383%0.4%
Thursday22881%0.0%
Friday22580%2.7%
Saturday18482%2.7%
Sunday22475%2.7%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 54%Severe weather 19%Late inbound plane 16%Air traffic & airport (NAS) 11%

Cancellations: weather 17 · airline 7 · air traffic/airport 3

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 87% on time, 0.9% cancelledOct 2023: 93% on time, 0.0% cancelledNov 2023: 92% on time, 1.0% cancelledDec 2023: 86% on time, 0.0% cancelledMar 2024: 88% on time, 0.0% cancelledApr 2024: 95% on time, 0.0% cancelledMay 2024: 89% on time, 0.0% cancelledJun 2024: 78% on time, 0.9% cancelledJul 2024: 81% on time, 4.3% cancelledAug 2024: 76% on time, 2.6% cancelledSep 2024: 89% on time, 0.0% cancelledOct 2024: 88% on time, 0.0% cancelledNov 2024: 89% on time, 0.0% cancelledDec 2024: 70% on time, 0.0% cancelledMar 2025: 76% on time, 0.0% cancelledApr 2025: 81% on time, 0.0% cancelledMay 2025: 92% on time, 0.0% cancelledJun 2025: 74% on time, 0.0% cancelledJul 2025: 80% on time, 1.4% cancelledAug 2025: 87% on time, 0.0% cancelledSep 2025: 95% on time, 0.0% cancelledOct 2025: 92% on time, 0.0% cancelledNov 2025: 79% on time, 3.5% cancelledDec 2025: 57% on time, 4.5% cancelledMar 2026: 73% on time, 0.9% cancelledApr 2026: 85% on time, 0.0% cancelledMay 2026: 83% on time, 0.7% cancelledJun 2026: 84% on time, 1.4% cancelledJul 2026: 77% on time, 1.3% cancelledAug 2026: 82% on time, 3.4% cancelled
Share of flights on time, by month (hover a point for cancellations)
BUF → DTW, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 28986:15 a.m.28488%1.8%−10 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Dec 2, 202540%0
Feb 22, 202640%0
Nov 10, 202540%1
Dec 5, 202540%0
Nov 30, 202540%1

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Buffalo or Detroit. None has been clearly more reliable than BUF → DTW.

RouteFlightsOn timeCancelled
BUF → DTW (this route)1,53880%1.8%
ROC → DTW Frederick Douglass Greater Rochester to Detroit Metro1,31873%2.2%

Questions

How often are flights from BUF to DTW on time?

80% of 1,538 scheduled flights from Buffalo, NY to Detroit, MI arrived within 15 minutes of schedule between September 2025 and August 2026. 1.8% were cancelled.

What is the best time of day to fly BUF to DTW?

Flights scheduled to leave at 3 p.m. were the most reliable (85% on time). The 5 p.m. departures were the least (66%).

What month has the most delays from BUF to DTW?

January (62% on time). The best month is October (91%), over 2023–2026.

Is the last flight of the day from BUF to DTW more likely to be cancelled?

Yes. Each airline's last BUF–DTW flight of the day was cancelled 2.7% of the time over the past year, against 1.5% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.