ORIGIN AIRPORT REPORT
DSM
Des Moines, IA (DSM) departure reliability
Of 15,536 scheduled reportable flights departing DSM, 77.2% arrived on time, 13.5% arrived at least 30 minutes late, and 2.6% were cancelled during July 2025–June 2026.
Source: U.S. Bureau of Transportation Statistics · Origin-airport cohort · Updated September 16, 2026
HISTORICAL ROUTE SIGNALVariable
77.2%arrived on time
13.5%30+ min late
2.6%cancelled
15,536scheduled flights
MOST-FLOWN DIRECTIONS
ALL ROUTES →Which route from DSM had the largest sample?
DSM to ORD was DSM's largest published route sample, with 3,403 scheduled flights and a 70.0% on-time rate during July 2025–June 2026.
DSM→ORDDes Moines, IA (DSM) to Chicago, IL (ORD)3,403 flights analyzedHigher disruption70.0%on timeDSM→DENDes Moines, IA (DSM) to Denver, CO (DEN)2,329 flights analyzedLower disruption82.3%on timeDSM→DFWDes Moines, IA (DSM) to Dallas/Fort Worth, TX (DFW)1,436 flights analyzedHigher disruption69.2%on timeDSM→ATLDes Moines, IA (DSM) to Atlanta, GA (ATL)1,250 flights analyzedGenerally reliable87.3%on timeDSM→PHXDes Moines, IA (DSM) to Phoenix, AZ (PHX)1,064 flights analyzedGenerally reliable79.2%on timeDSM→CLTDes Moines, IA (DSM) to Charlotte, NC (CLT)809 flights analyzedVariable80.8%on timeDSM→DCADes Moines, IA (DSM) to Washington, DC (DCA)702 flights analyzedHigher disruption72.1%on timeDSM→LASDes Moines, IA (DSM) to Las Vegas, NV (LAS)594 flights analyzedGenerally reliable79.1%on timeDSM→STLDes Moines, IA (DSM) to St. Louis, MO (STL)460 flights analyzedLower disruption89.3%on timeDSM→IAHDes Moines, IA (DSM) to Houston, TX (IAH)347 flights analyzedGenerally reliable87.6%on timeDSM→PHLDes Moines, IA (DSM) to Philadelphia, PA (PHL)338 flights analyzedVariable78.4%on timeDSM→LAXDes Moines, IA (DSM) to Los Angeles, CA (LAX)272 flights analyzedGenerally reliable71.7%on timeDSM→LGADes Moines, IA (DSM) to New York, NY (LGA)261 flights analyzedVariable78.9%on time
Which airline was most reliable departing DSM?
Among qualifying DSM airline departure results, Delta Air Lines had the highest on-time rate: 87.3% of 1,251 flights. American Airlines was lowest at 73.4% across 2,331 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| SkyWest Airlines | 2,788 | 75.0% | 14.7% | 3.0% |
| American Airlines | 2,331 | 73.4% | 17.1% | 3.7% |
| Allegiant Air | 2,032 | 76.0% | 15.1% | 1.4% |
| United Airlines | 1,970 | 75.1% | 13.6% | 1.3% |
| Southwest Airlines | 1,778 | 83.3% | 10.0% | 0.8% |
| Delta Air Lines | 1,251 | 87.3% | 7.0% | 2.2% |
| Republic Airways | 1,169 | 75.0% | 13.3% | 4.6% |
| Envoy Air | 1,063 | 79.3% | 12.5% | 2.4% |
| PSA Airlines | 974 | 75.5% | 13.3% | 5.1% |
| Frontier Airlines | 180 | 78.3% | 16.7% | 0.6% |
Origin report, not airport-wide operations.
These figures summarize the reported scheduled passenger flights in the dataset, not every flight or every airport process.