Best Time to Fly SNA to DTW: On-Time Stats by Hour & Airline
John Wayne Airport-Orange County → Detroit Metro Wayne County
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 63.9% of Santa Ana (SNA) to Detroit (DTW) flights arrived on time (345 scheduled flights). That is 13.8 points below the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (76% on time) and July the worst month (51%).
The cancellation rate was 0.6% (US average 1.8%).
SNA 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 | 62.9% | 69 min | 0.6% | 323 |
| Spirit Airlines | Limited data | 22 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SNA to DTW
On-time arrival % by scheduled departure hour (local time), 618 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 10am–11am | Limited data | 1 | |
| 11am–12pm | 63.2% | 0.4% | 259 |
| 12pm–1pm | 71.4% | 0.5% | 218 |
| 1pm–2pm | 66.2% | 0.7% | 140 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SNA 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 | 11 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 26 | ||
| Summer peak (Jun 15 - Aug 15) | 61.2% | -7.7 pts | 1.0% | 99 |
| All other days | 69.0% | — | 0.4% | 482 |
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).