Best Time to Fly DTW to LEX: On-Time Stats by Hour & Airline
Detroit Metro Wayne County → Blue Grass
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.5% of Detroit (DTW) to Lexington (LEX) flights arrived on time (787 scheduled flights). That is 0.9 points above the national average of 77.6%.
Republic Airways was the most punctual of the 2 airlines on the route at 87.1%, while SkyWest Airlines trailed at 74.6%.
September has been the best month (93% on time) and Friday the weakest day of the week (76%).
1.5% of flights were cancelled, versus 1.8% nationally.
DTW to LEX on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airways | 87.1% | 64 min | 1.2% | 244 |
| SkyWest Airlines | 74.6% | 109 min | 1.7% | 543 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DTW to LEX
On-time arrival % by scheduled departure hour (local time), 1,705 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 84.0% | 1.0% | 300 |
| 9am–10am | Limited data | 2 | |
| 10am–11am | 81.5% | 0.8% | 131 |
| 3pm–4pm | 82.8% | 1.0% | 519 |
| 4pm–5pm | 93.4% | 0.0% | 106 |
| 5pm–6pm | Limited data | 4 | |
| 7pm–8pm | 65.2% | 1.2% | 161 |
| 8pm–9pm | 78.1% | 0.7% | 276 |
| 9pm–10pm | 84.2% | 1.9% | 206 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DTW to LEX
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 29 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 84.4% | +0.9 pts | 0.0% | 32 |
| Summer peak (Jun 15 - Aug 15) | 69.7% | -13.7 pts | 0.8% | 244 |
| All other days | 83.4% | — | 1.0% | 1,400 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).