Best Time to Fly BHM to DTW: On-Time Stats by Hour & Airline
Birmingham-Shuttlesworth International → Detroit Metro Wayne County
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.2% of Birmingham (BHM) to Detroit (DTW) flights arrived on time (312 scheduled flights). That is 0.6 points above the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 94.6% on time and SkyWest Airlines was last with 69.2%.
Over 24 months, Saturday was the most reliable day (85% on time) and January the worst month (65%).
The cancellation rate was 1.6% (US average 1.8%).
BHM to DTW 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 | 94.6% | 72 min | 0.9% | 113 |
| SkyWest Airlines | 69.2% | 136 min | 2.1% | 189 |
| Spirit Airlines | Limited data | 10 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BHM to DTW
On-time arrival % by scheduled departure hour (local time), 800 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 87.7% | 1.2% | 346 |
| 8am–9am | Limited data | 3 | |
| 10am–11am | 76.3% | 0.0% | 118 |
| 11am–12pm | Limited data | 17 | |
| 1pm–2pm | Limited data | 19 | |
| 3pm–4pm | Limited data | 25 | |
| 4pm–5pm | 66.7% | 0.0% | 93 |
| 5pm–6pm | 66.5% | 1.7% | 179 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BHM to DTW
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 | 13 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 28 | ||
| Summer peak (Jun 15 - Aug 15) | 78.3% | +1.2 pts | 0.9% | 233 |
| All other days | 77.1% | — | 0.9% | 526 |
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).