Route Reliability
Detroit → San Diego
DTW–SAN · 1,956 miles · Detroit Metropolitan Wayne County Airport to San Diego International Airport
- 77%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 1.1%
- Cancelled
- 1,333
- Flights in the data
Data through May 2026.
Airlines on this route
- Delta Air Lines76% on time · 1,267 flights
- Spirit Airlines89% on time · 66 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Morning flights do better here.
DTW–SAN flights departing between 9 AM–12 PM arrived on time 89% of the time, versus 65% between 6–9 PM.
Sunday scaries are real for this one.
DTW–SAN flights arrived on time 82% of the time on Tuesdays. On Sundays: 73%.
Trending in the right direction.
DTW–SAN flights arrived on time 82% of the time over the last three months in the data, compared with 67% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon75%(202 flights)
- Tue82%(179 flights)
- Wed77%(174 flights)
- Thu78%(196 flights)
- Fri75%(204 flights)
- Sat78%(153 flights)
- Sun73%(205 flights)
- 6–9 AM84%(360 flights)
- 9 AM–12 PM89%(64 flights)
- 12–3 PM82%(256 flights)
- 3–6 PM72%(359 flights)
- 6–9 PM65%(253 flights)
- 9 PM–12 AM76%(21 flights)
Jun 74% → May 78% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 74% | 124 |
| July 2025 | 72% | 131 |
| August 2025 | 83% | 130 |
| September 2025 | 82% | 114 |
| October 2025 | 87% | 118 |
| November 2025 | 73% | 106 |
| December 2025 | 65% | 109 |
| January 2026 | 57% | 91 |
| February 2026 | 78% | 83 |
| March 2026 | 86% | 90 |
| April 2026 | 82% | 106 |
| May 2026 | 78% | 111 |
Keep nerding
Based on 1,333 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.