Route Reliability
Des Moines → Philadelphia
DSM–PHL · 973 miles · Des Moines International Airport to Philadelphia International Airport
75
Usually Fine
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 3.1%
- Cancelled
- 323
- Flights in the data
Data through May 2026.
Airlines on this route
- American Airlines81% on time · 319 flights
- Allegiant Air67% on time · 4 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Morning-you made the right choice.
DSM–PHL flights departing between 6–9 AM arrived on time 86% of the time, versus 75% between 12–3 PM.
Skip Thursday if you can.
DSM–PHL flights arrived on time 84% of the time on Fridays. On Thursdays: 72%.
Keep a backup plan handy.
This route was cancelled 3.1% of the time. Typical for U.S. flights is around 1–2%.
Flights on this route
The breakdown
- Mon84%(44 flights)
- Tue79%(43 flights)
- Wed81%(42 flights)
- Thu72%(47 flights)
- Fri84%(45 flights)
- Sat82%(44 flights)
- Sun81%(48 flights)
- 6–9 AM86%(154 flights)
- 12–3 PM75%(156 flights)
- 3–6 PM—(3 flights)
68%
May
Jun 74% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 74% | 49 |
| July 2025 | 80% | 54 |
| August 2025 | 82% | 61 |
| September 2025 | 90% | 59 |
| October 2025 | 82% | 62 |
| May 2026 | 68% | 25 |
Keep nerding
Based on 323 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.