Route Reliability
Philadelphia → Detroit
PHL–DTW · 453 miles · Philadelphia International Airport to Detroit Metropolitan Wayne County Airport
- 80%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 2.7%
- 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 Airlines88%156 flights
- 2.Delta Air Lines82%1,677 flights
- 3.American Airlines77%1,116 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.
PHL–DTW flights departing between 9 AM–12 PM arrived on time 89% of the time, versus 68% between 3–6 PM.
Friday is doing you no favors.
PHL–DTW flights arrived on time 87% of the time on Tuesdays. On Fridays: 76%.
Spirit Airlines runs this route best.
Spirit Airlines arrived on time 88% of the time on this route; American Airlines managed 77%.
Trending in the right direction.
PHL–DTW flights arrived on time 84% 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
- Mon80%(429 flights)
- Tue87%(404 flights)
- Wed81%(401 flights)
- Thu78%(438 flights)
- Fri76%(438 flights)
- Sat81%(367 flights)
- Sun77%(450 flights)
- 6–9 AM87%(809 flights)
- 9 AM–12 PM89%(467 flights)
- 12–3 PM80%(609 flights)
- 3–6 PM68%(451 flights)
- 6–9 PM69%(359 flights)
- 9 PM–12 AM73%(232 flights)
Jun 78% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 78% | 254 |
| July 2025 | 68% | 272 |
| August 2025 | 81% | 266 |
| September 2025 | 89% | 265 |
| October 2025 | 87% | 284 |
| November 2025 | 81% | 236 |
| December 2025 | 66% | 226 |
| January 2026 | 73% | 205 |
| February 2026 | 78% | 203 |
| March 2026 | 83% | 231 |
| April 2026 | 82% | 241 |
| May 2026 | 86% | 244 |
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.