Route
DTW → BUF
Detroit Metropolitan Wayne County Airport Buffalo Niagara International Airport
How punctual is this route?
- On-time arrivals
- 79.2%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 100 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,294
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 67%
- Extreme weather 17%
- Air traffic control & airport 8%
- Late-arriving aircraft 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 88.9% | 54 |
| October 2025 | 89.1% | 128 |
| November 2025 | 83.7% | 108 |
| December 2025 | 59.6% | 98 |
| January 2026 | 63.8% | 62 |
| February 2026 | 79.7% | 80 |
| March 2026 | 79.1% | 118 |
| April 2026 | 87.6% | 129 |
| May 2026 | 77.4% | 107 |
| June 2026 | 83.5% | 135 |
| July 2026 | 67.1% | 150 |
| August 2026 | 85.2% | 125 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 844 | 79.6% | 1.3% | 95 min |
| Delta Air Lines | 443 | 78.0% | 2.5% | 108 min |
| Republic Airways | 7 | 100.0% | 14.3% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL978
28% late · 177 flights
-
DL3192
12% late · 106 flights
-
OO3636
16% late · 86 flights
-
OO3642
21% late · 86 flights
-
OO3639
7% late · 85 flights
-
OO4149
31% late · 79 flights
-
OO3599
19% late · 73 flights
-
OO3968
15% late · 68 flights
-
OO3637
37% late · 49 flights
-
DL848
24% late · 38 flights
-
OO3982
25% late · 36 flights
-
OO3983
40% late · 36 flights
-
DL1749
20% late · 33 flights
-
OO3969
26% late · 31 flights
-
OO4021
3% late · 31 flights
-
OO3947
7% late · 27 flights
-
OO3998
23% late · 26 flights
-
DL1322
12% late · 24 flights
-
DL2159
14% late · 24 flights
-
OO3987
4% late · 24 flights
-
OO3513
17% late · 23 flights
-
DL2139
20% late · 21 flights
-
OO3949
10% late · 21 flights
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