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Route Reliability

Philadelphia → Des Moines

PHL–DSM · 973 miles · Philadelphia International Airport to Des Moines International Airport

67
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
17 min
Average arrival delay
3.1%
Cancelled
323
Flights in the data

Data through May 2026.

Airlines on this route

  • American Airlines75% 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.

PHL–DSM flights departing between 9 AM–12 PM arrived on time 85% of the time, versus 64% between 6–9 PM.

Sunday scaries are real for this one.

PHL–DSM flights arrived on time 83% of the time on Wednesdays and just 68% on Sundays. That gap is worth planning around.

Keep a backup plan handy.

This route was cancelled 3.1% of the time. Typical for U.S. flights is around 1–2%.

Trending in the right direction.

PHL–DSM flights arrived on time 82% of the time over the last three months in the data, compared with 67% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon72%(43 flights)
  • Tue81%(43 flights)
  • Wed83%(42 flights)
  • Thu72%(47 flights)
  • Fri74%(43 flights)
  • Sat71%(48 flights)
  • Sun68%(47 flights)
On-time by departure window
  • 9 AM–12 PM85%(159 flights)
  • 6–9 PM64%(154 flights)
On-time trend by month
84%
May

Jun 48% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%46
July 202570%57
August 202582%61
September 202590%60
October 202571%62
May 202684%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.