Airports › Detroit (DTW) › May 2025
Airport month · May 2025
Detroit Metro Wayne County in May 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In May 2025, reporting carriers scheduled 10,554 domestic departures from Detroit Metro Wayne County (DTW). 82.0% left less than 15 minutes late and 80.4% reached their destination on time; 0.3% were cancelled.
Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so DTW departures were 5.3 points above the national departure figure.
A year earlier, in May 2024, the airport had 11,294 departures with 80.2% leaving on time: a change of +1.8 points, with flights down 7%.
Flights arriving at DTW that month were on time 81.3% of the time (10,555 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, national aviation system 31% and late-arriving aircraft 20%.
- On time 80.4%
- Arrived 15+ minutes late 18.9%
- Cancelled 0.3%
- Diverted 0.3%
May 2025 against a year earlier, the airport's year and the nation
| Measure | May 2025 | May 2024 | DTW, 12 months to Jul 2026 | All reported flights, May 2025 |
|---|---|---|---|---|
| Departed on time | 82.0% | 80.2% | 77.3% | 76.7% |
| Arrived on time | 80.4% | 77.8% | 75.4% | 75.4% |
| Cancelled | 0.3% | 0.5% | 1.9% | 1.0% |
| Average departure delay (late minutes only) | 13.4 min | 15.3 min | 17.7 min | 17.5 min |
| Scheduled departures a day | 352 | 377 | 334 | 20,188 |
| Scheduled departures | 10,554 | 11,294 | 121,889 | 605,648 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| DL Delta Air Lines | 5,268 | 50% | 79.1% | 6.0 min | 0.1% |
| OO SkyWest Airlines | 2,467 | 23% | 85.6% | 2.5 min | 0.1% |
| NK Spirit Airlines | 835 | 8% | 77.5% | 7.7 min | 0.6% |
| AA American Airlines | 515 | 5% | 77.5% | 7.4 min | 1.7% |
| YX Republic Airline | 465 | 4% | 82.2% | 6.9 min | 1.5% |
| WN Southwest Airlines | 347 | 3% | 84.4% | 4.0 min | 0.0% |
| UA United Airlines | 194 | 2% | 76.3% | 4.5 min | 1.5% |
| F9 Frontier Airlines | 177 | 2% | 66.1% | 24.5 min | 0.0% |
| B6 JetBlue Airways | 111 | 1% | 74.8% | 16.2 min | 0.0% |
| OH PSA Airlines | 100 | 1% | 76.0% | 8.2 min | 4.0% |
| AS Alaska Airlines | 62 | 1% | 90.3% | -5.2 min | 0.0% |
| MQ Envoy Air | 13 | 0% | 69.2% | 8.3 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| DTW–ORD | Detroit to Chicago | 531 | 83.6% | 2.6 min | 0.4% |
| DTW–ATL | Detroit to Atlanta | 442 | 77.1% | 5.6 min | 0.7% |
| DTW–DFW | Detroit to Dallas/Fort Worth | 346 | 66.5% | 18.7 min | 1.4% |
| DTW–CLT | Detroit to Charlotte | 332 | 87.7% | -0.2 min | 0.3% |
| DTW–LGA | Detroit to New York | 311 | 68.5% | 18.7 min | 0.6% |
| DTW–MCO | Detroit to Orlando | 305 | 78.7% | 7.9 min | 0.0% |
| DTW–LAS | Detroit to Las Vegas | 286 | 89.5% | -7.6 min | 0.0% |
| DTW–DEN | Detroit to Denver | 255 | 72.2% | 8.3 min | 0.0% |
| DTW–PHL | Detroit to Philadelphia | 252 | 77.8% | 8.8 min | 1.2% |
| DTW–BOS | Detroit to Boston | 250 | 71.2% | 16.2 min | 0.0% |
| DTW–DCA | Detroit to Washington | 238 | 67.6% | 13.0 min | 1.7% |
| DTW–FLL | Detroit to Fort Lauderdale | 234 | 83.3% | 1.1 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left DTW on time in May 2025?
82.0% of 10,554 scheduled domestic departures left less than 15 minutes late, and 80.4% reached their destination on time. The national figures that month were 76.7% and 75.4%.
How does that compare with a year earlier?
In May 2024, 80.2% of 11,294 departures left on time and 0.5% were cancelled, against 82.0% and 0.3% in May 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for DTW · methodology · corrections.