Route Reliability
Detroit → Philadelphia
DTW–PHL · 453 miles · Detroit Metropolitan Wayne County Airport to Philadelphia International Airport
- 79%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 2.6%
- Cancelled
- 3,012
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Spirit Airlines81%155 flights
- 2.Delta Air Lines79%1,677 flights
- 3.American Airlines78%1,117 flights
Not enough history to rank: Frontier Airlines (63 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
DTW–PHL flights departing between 3–6 AM arrived on time 95% of the time, versus 68% between 6–9 PM.
Sunday scaries are real for this one.
DTW–PHL flights arrived on time 84% of the time on Tuesdays. On Sundays: 75%.
Not much between Spirit Airlines and American Airlines.
On this route they all land within 78% to 81% on time. Pick on schedule and price.
Trending in the right direction.
DTW–PHL flights arrived on time 83% of the time over the last three months in the data, compared with 73% 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
- Mon77%(433 flights)
- Tue84%(408 flights)
- Wed80%(394 flights)
- Thu80%(440 flights)
- Fri77%(435 flights)
- Sat80%(378 flights)
- Sun75%(440 flights)
- 3–6 AM95%(73 flights)
- 6–9 AM87%(608 flights)
- 9 AM–12 PM84%(680 flights)
- 12–3 PM74%(359 flights)
- 3–6 PM68%(623 flights)
- 6–9 PM68%(213 flights)
- 9 PM–12 AM81%(372 flights)
Jun 81% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 81% | 255 |
| July 2025 | 66% | 275 |
| August 2025 | 77% | 266 |
| September 2025 | 88% | 265 |
| October 2025 | 87% | 283 |
| November 2025 | 80% | 235 |
| December 2025 | 67% | 229 |
| January 2026 | 74% | 203 |
| February 2026 | 77% | 203 |
| March 2026 | 81% | 233 |
| April 2026 | 82% | 238 |
| May 2026 | 86% | 243 |
Keep nerding
Based on 3,012 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.