Route · DTW → PHL · 2020–2025 BTS data
Detroit to Philadelphia
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DTW to PHL (Detroit to Philadelphia) ranks #568 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 86 min
- Delay when late
- 15,936
- Flights
- #568 of 4927
- Corpus placement
Cancelled
1.9%
Best Month
Feb 2024 92%
Worst Month
Dec 2025 66%
Distance
453 mi
Carriers
59
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 233 | 80 | 6 | 0 | DL,OH,F9,NK,OO |
| Nov 2025 | 239 | 46 | 3 | 1 | DL,F9,NK,OH,AA,YX |
| Oct 2025 | 282 | 38 | 0 | 1 | AA,DL,OH,YX,NK |
| Sep 2025 | 266 | 34 | 1 | 0 | OH,DL,NK,F9,AA |
| Aug 2025 | 268 | 62 | 3 | 0 | AA,YX,F9,NK,OH,DL |
| Jul 2025 | 281 | 95 | 10 | 0 | AA,NK,OH,YX,DL,F9 |
| Jun 2025 | 252 | 47 | 5 | 0 | AA,DL,NK,OH,OO,YX,F9 |
| May 2025 | 252 | 53 | 3 | 0 | AA,NK,OH,OO,YX,DL |
| Apr 2025 | 208 | 47 | 1 | 0 | DL,NK,OH,OO,AA |
| Mar 2025 | 188 | 31 | 4 | 0 | OH,OO,DL,NK |
| Feb 2025 | 196 | 43 | 10 | 0 | OH,OO,DL,NK |
| Jan 2025 | 221 | 50 | 4 | 0 | DL,OH,OO,NK |
| Dec 2024 | 242 | 57 | 1 | 0 | 9E,AA,DL,F9,NK,OH,OO,YX |
| Nov 2024 | 265 | 38 | 0 | 0 | OO,9E,NK,YX,DL,OH,F9,AA |
| Oct 2024 | 315 | 45 | 0 | 0 | DL,YX,NK,F9,AA,OH |
| Sep 2024 | 300 | 48 | 2 | 0 | OH,AA,DL,F9,NK |
| Aug 2024 | 341 | 94 | 20 | 0 | AA,DL,F9,NK,YX,OH |
| Jul 2024 | 342 | 80 | 25 | 2 | AA,DL,F9,NK,OH,YX |
| Jun 2024 | 329 | 70 | 6 | 1 | AA,DL,F9,NK,OH,OO,YX |
| May 2024 | 270 | 38 | 1 | 0 | AA,DL,F9,NK,OH,OO,YX |
| Apr 2024 | 242 | 37 | 2 | 0 | AA,DL,NK,OH,OO,YX |
| Mar 2024 | 238 | 29 | 0 | 0 | 9E,AA,DL,NK,YX,OH,OO |
| Feb 2024 | 197 | 15 | 0 | 0 | 9E,AA,DL,OH,OO |
| Jan 2024 | 228 | 67 | 9 | 0 | 9E,AA,DL,NK,OH,OO |
DTW–PHL seasonal on-time pattern
Best: March (89.2%) · weakest: July (79.3%)
Strongest calendar month
March
89.2% on-time · ~198 flights/mo
Busiest calendar month
August
~268 flights/mo avg
Weakest calendar month
July
79.3% on-time · ~256 flights/mo
Cancellation Rate
1.9%
116 of 6,195 flights
Diversion Rate
0.1%
5 of 6,195 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DTW - Detroit
Full on-time, delay-cause, and seasonal performance for Detroit, MI.
DTW on-time profilePHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
PHL on-time profileCompare the two airports
See DTW and PHL side by side on delays, cancellations, and reliability.
Compare DTW vs PHLOrigin-hub reliability standing
Mid-pack among DTW departures
From DTW, this corridor sits with 60 other 75–85% on-time routes out of 94 tracked departures, not the hub's reliability leaders (34 at ≥85%) and not the softest ( 0 below 75%). Destination: Philadelphia · fleet on-time rank #1428 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to DTW–PHL.
Routes with a similar on-time rate
What the Data Says About DTW to PHL
Bureau of Transportation Statistics records show Detroit to Philadelphia (DTW to PHL) running a 84.4% on-time rate over 15,936 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 86.3 minutes. The 453-mile corridor is served by 59 carriers, and over the last 24 months 1.9% of 6,195 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 92% on-time, while Dec 2025 came in at just 66% - a 27-point swing worth factoring into travel timing.
On the multi-year calendar, DTW–PHL peaks in March at 89.2% on-time while August carries the heaviest traffic (~268 flights per month) ; the softest month is July at 79.3%, a 9.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does DTW to PHL rank among US routes by traffic? ▼
How often are flights delayed from DTW to PHL? ▼
What is the cancellation rate for DTW to PHL? ▼
How far is the flight from DTW to PHL? ▼
When is the best time to fly from DTW to PHL? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using DTW–PHL data
DTW–PHL runs 5.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare DTW and PHL airport profiles: delay causes and top routes differ even on the same corridor. DTW airport
- If your dates flex, March (89.2% on-time) beats July (79.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 84.4% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.