Best Time to Fly DTW to SNA: On-Time Stats by Hour & Airline
Detroit Metro Wayne County → John Wayne Airport-Orange County
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 69.9% of Detroit (DTW) to Santa Ana (SNA) flights arrived on time (345 scheduled flights). That is 7.8 points below the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
July has been the best month (89% on time) and Friday the weakest day of the week (68%).
0.6% of flights were cancelled, versus 1.8% nationally.
DTW to SNA 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 | 68.8% | 60 min | 0.6% | 323 |
| Spirit Airlines | Limited data | 22 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DTW to SNA
On-time arrival % by scheduled departure hour (local time), 618 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 1 | |
| 8am–9am | 72.3% | 0.4% | 547 |
| 9am–10am | 78.3% | 1.4% | 70 |
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 SNA
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) | 79.4% | +5.7 pts | 1.0% | 99 |
| All other days | 73.6% | — | 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).