BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
PHL→DSM

Philadelphia, PA (PHL) to Des Moines, IA (DSM) flight delay odds

76.3% of 337 official scheduled PHL-to-DSM flights arrived on time; 16.0% arrived at least 30 minutes late and 2.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
76.3%arrived on time
16.0%30+ min late
2.1%cancelled
337scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.0%all scheduled flights
120+ minutes late5.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+13.5 mincompleted flights

Which departure time was most reliable for PHL to DSM?

Among qualifying PHL-to-DSM departure window results, Late morning had the highest on-time rate: 87.1% of 163 flights. Evening was lowest at 66.5% across 170 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning16387.1%9.2%1.2%
Evening17066.5%21.8%2.9%

Which weekday was most reliable for PHL to DSM?

Among qualifying PHL-to-DSM weekday results, Tuesday had the highest on-time rate: 87.0% of 46 flights. Thursday was lowest at 68.5% across 54 flights.

DayFlightsOn time30+ minCancelled
Monday4676.1%19.6%0.0%
Tuesday4687.0%6.5%0.0%
Wednesday4484.1%6.8%2.3%
Thursday5468.5%25.9%1.9%
Friday4776.6%10.6%4.3%
Saturday4875.0%20.8%2.1%
Sunday5269.2%19.2%3.8%

Which airline was most reliable for PHL to DSM?

Among qualifying PHL-to-DSM airline results, PSA Airlines had the highest on-time rate: 77.9% of 253 flights. Republic Airways was lowest at 76.4% across 72 flights.

AirlineFlightsOn time30+ minCancelled
PSA Airlines25377.9%15.4%1.6%
Republic Airways7276.4%13.9%2.8%
Allegiant Air1241.7%41.7%8.3%

Which month was most reliable for PHL to DSM?

Among qualifying PHL-to-DSM month results, September 2025 had the highest on-time rate: 90.0% of 60 flights. July 2025 was lowest at 66.1% across 59 flights.

MonthFlightsOn time30+ minCancelled
July 20255966.1%25.4%3.4%
August 20256280.6%12.9%1.6%
September 20256090.0%6.7%0.0%
October 20256271.0%19.4%0.0%
May 20262680.8%11.5%3.8%
June 20266671.2%18.2%4.5%

What drove PHL to DSM delay minutes?

Late aircraft was the largest recorded PHL-to-DSM delay category, accounting for 46.8% of 7,949 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.3%
Late aircraft46.8%
National airspace19.8%
Weather7.0%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.