Route
DSM → PHL
Des Moines International Airport Philadelphia International Airport
973 miles
Return route PHL → DSM →
How punctual is this route?
- On-time arrivals
- 77.7%
- Less than 15 minutes late
- Cancelled
- 5.6%
- Of scheduled flights
- Average delay when late
- 115 min
- Flights arriving 15+ minutes late
- Flights tracked
- 358
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 39%
- Late-arriving aircraft 34%
- Air traffic control & airport 23%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.8% | 60 |
| October 2025 | 82.3% | 62 |
| November 2025 | 66.7% | 3 |
| May 2026 | 68.0% | 26 |
| June 2026 | 79.0% | 66 |
| July 2026 | 69.8% | 71 |
| August 2026 | 72.6% | 70 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| OH | 250 | 80.8% | 6.0% | 135 min |
| Republic Airways | 78 | 82.7% | 3.8% | 57 min |
| Allegiant Air | 30 | 37.0% | 6.7% | 109 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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