Detroit Metro Wayne County (DTW) Delays and On-Time Departures
Detroit, MI · ranked 227th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
78.8% of the 121,889 flights scheduled to depart Detroit (DTW) in the last 12 months left on time, 1.3 points above the US average of 77.4%.
That ranks 227th of 333 US airports tracked on this site, with 1.9% of departures cancelled.
Among airlines at Detroit (DTW), Republic Airways left on time most often (84.7%).
Over 24 months, Wednesday was the most reliable day (83% on time) and July the worst month (73%).
Best time of day to fly out of Detroit (DTW)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 2am–3am | Limited data | 1 | |
| 3am–4am | Limited data | 1 | |
| 5am–6am | 90.8% | 1.8% | 4,312 |
| 6am–7am | 89.6% | 2.5% | 9,645 |
| 7am–8am | 89.7% | 1.2% | 16,952 |
| 8am–9am | 87.7% | 0.9% | 29,776 |
| 9am–10am | 86.1% | 1.5% | 6,151 |
| 10am–11am | 84.6% | 1.1% | 25,606 |
| 11am–12pm | 84.4% | 1.6% | 4,565 |
| 12pm–1pm | 82.3% | 0.9% | 22,000 |
| 1pm–2pm | 76.8% | 1.1% | 5,550 |
| 2pm–3pm | 77.6% | 1.4% | 15,939 |
| 3pm–4pm | 76.0% | 1.1% | 14,713 |
| 4pm–5pm | 75.4% | 1.1% | 21,311 |
| 5pm–6pm | 70.8% | 2.2% | 11,398 |
| 6pm–7pm | 72.2% | 1.6% | 9,928 |
| 7pm–8pm | 70.6% | 1.8% | 10,819 |
| 8pm–9pm | 70.5% | 1.2% | 17,767 |
| 9pm–10pm | 76.6% | 1.7% | 19,884 |
| 10pm–11pm | 72.7% | 2.3% | 3,124 |
| 11pm–12am | 66.3% | 1.1% | 93 |
Airlines at DTW ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Republic Airways | 84.7% | 81.7% | 3.3% | 6,141 |
| United Airlines | 83.2% | 78.1% | 0.9% | 2,329 |
| American Airlines | 82.6% | 81.5% | 2.0% | 4,903 |
| JetBlue | 80.9% | 77.1% | 4.2% | 1,224 |
| Delta Air Lines | 80.3% | 78.0% | 1.4% | 60,323 |
| Envoy Air | 79.2% | 79.7% | 3.1% | 1,011 |
| PSA Airlines | 78.2% | 73.8% | 5.8% | 1,894 |
| Spirit Airlines | 76.1% | 75.7% | 3.1% | 7,436 |
| SkyWest Airlines | 75.7% | 74.2% | 2.1% | 28,582 |
| Alaska Airlines | 73.4% | 74.6% | 0.2% | 550 |
| Frontier Airlines | 72.4% | 71.7% | 1.5% | 3,060 |
| Southwest Airlines | 72.0% | 75.8% | 0.8% | 4,436 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of DTW
On-time departures by day, 24 months.
Best month to fly out of DTW
On-time departures by month, 24 months.
Holiday travel at Detroit (DTW)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 74.8% | -7.1 pts | 1.6% | 4,816 |
| Christmas & New Year (Dec 20 - Jan 3) | 70.5% | -11.5 pts | 1.8% | 9,552 |
| Summer peak (Jun 15 - Aug 15) | 74.2% | -7.8 pts | 1.9% | 44,038 |
| All other days | 82.0% | — | 1.2% | 191,129 |
Monthly on-time departure trend at DTW
On-time departure % each month, with the 12-month US average for reference.
Routes from Detroit (DTW)
Every route from DTW with its own page, by number of flights (last 12 months, on-time arrivals).