Best Time to Fly DTW to BDL: On-Time Stats by Hour & Airline
Detroit Metro Wayne County → Bradley International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 85.0% of Detroit (DTW) to Hartford (BDL) flights arrived on time (1,267 scheduled flights). That is 7.4 points above the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 85.3% on time and Spirit Airlines was last with 74.2%.
Over 24 months, Wednesday was the most reliable day (87% on time) and December the worst month (75%).
The cancellation rate was 2.0% (US average 1.8%).
DTW to BDL 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 |
|---|---|---|---|---|
| Delta Air Lines | 85.3% | 68 min | 2.0% | 1,235 |
| Spirit Airlines | 74.2% | 121 min | 0.0% | 32 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DTW to BDL
On-time arrival % by scheduled departure hour (local time), 2,561 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 92.0% | 2.1% | 332 |
| 10am–11am | 86.8% | 1.0% | 722 |
| 12pm–1pm | Limited data | 3 | |
| 1pm–2pm | Limited data | 27 | |
| 2pm–3pm | 85.6% | 1.8% | 665 |
| 3pm–4pm | Limited data | 15 | |
| 4pm–5pm | Limited data | 26 | |
| 8pm–9pm | Limited data | 22 | |
| 9pm–10pm | 76.5% | 1.0% | 699 |
| 10pm–11pm | 78.0% | 0.0% | 50 |
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 BDL
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) | 64.6% | -21.5 pts | 0.0% | 48 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.4% | -11.6 pts | 1.2% | 84 |
| Summer peak (Jun 15 - Aug 15) | 81.0% | -5.0 pts | 1.7% | 529 |
| All other days | 86.0% | — | 1.2% | 1,900 |
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).