Airports › Des Moines (DSM) › September 2023
Airport month · September 2023
Des Moines International in September 2023
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In September 2023, reporting carriers scheduled 1,244 domestic departures from Des Moines International (DSM). 81.4% left less than 15 minutes late and 78.7% reached their destination on time; 0.5% were cancelled.
Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so DSM departures were 0.9 points above the national departure figure.
Flights arriving at DSM that month were on time 73.0% of the time (1,246 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 52%, air carrier 29% and national aviation system 15%.
- On time 78.7%
- Arrived 15+ minutes late 20.5%
- Cancelled 0.5%
- Diverted 0.3%
September 2023 against a year earlier, the airport's year and the nation
| Measure | Sep 2023 | Year earlier | DSM, 12 months to Jul 2026 | All reported flights, Sep 2023 |
|---|---|---|---|---|
| Departed on time | 81.4% | — | 78.5% | 80.5% |
| Arrived on time | 78.7% | — | 77.3% | 80.1% |
| Cancelled | 0.5% | — | 2.5% | 1.2% |
| Average departure delay (late minutes only) | 17.0 min | — | 20.8 min | 14.1 min |
| Scheduled departures a day | 42 | — | 43 | 18,978 |
| Scheduled departures | 1,244 | — | 15,584 | 569,338 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| 9E Endeavor Air | 206 | 17% | 77.2% | 8.3 min | 1.5% |
| UA United Airlines | 204 | 16% | 82.4% | 2.4 min | 0.0% |
| AA American Airlines | 196 | 16% | 75.0% | 35.8 min | 0.5% |
| WN Southwest Airlines | 164 | 13% | 76.2% | 5.9 min | 0.0% |
| G4 Allegiant Air | 102 | 8% | 70.6% | 14.4 min | 0.0% |
| OO SkyWest Airlines | 102 | 8% | 77.5% | 11.5 min | 0.0% |
| DL Delta Air Lines | 88 | 7% | 95.5% | -11.4 min | 0.0% |
| OH PSA Airlines | 79 | 6% | 81.0% | 0.9 min | 0.0% |
| MQ Envoy Air | 58 | 5% | 72.4% | 9.9 min | 0.0% |
| YX Republic Airline | 33 | 3% | 87.9% | 5.0 min | 6.1% |
| F9 Frontier Airlines | 12 | 1% | 83.3% | -6.4 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| DSM–DEN | Des Moines to Denver | 214 | 79.4% | 4.3 min | 0.0% |
| DSM–ORD | Des Moines to Chicago | 186 | 74.2% | 10.9 min | 0.0% |
| DSM–DFW | Des Moines to Dallas/Fort Worth | 110 | 70.9% | 32.9 min | 0.9% |
| DSM–ATL | Des Moines to Atlanta | 88 | 95.5% | -11.4 min | 0.0% |
| DSM–MSP | Des Moines to Minneapolis | 84 | 76.2% | 7.2 min | 0.0% |
| DSM–DTW | Des Moines to Detroit | 80 | 86.3% | 6.0 min | 0.0% |
| DSM–LGA | Des Moines to New York | 67 | 71.6% | 13.0 min | 6.0% |
| DSM–CLT | Des Moines to Charlotte | 60 | 85.0% | 40.4 min | 0.0% |
| DSM–DCA | Des Moines to Washington | 60 | 78.3% | -0.7 min | 1.7% |
| DSM–IAH | Des Moines to Houston | 56 | 83.9% | 0.4 min | 0.0% |
| DSM–STL | Des Moines to St. Louis | 55 | 85.5% | -1.5 min | 0.0% |
| DSM–PHX | Des Moines to Phoenix | 54 | 79.6% | 18.3 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left DSM on time in September 2023?
81.4% of 1,244 scheduled domestic departures left less than 15 minutes late, and 78.7% reached their destination on time. The national figures that month were 80.5% and 80.1%.
How does that compare with a year earlier?
September 2022 is outside the 36 months on file, or the airport had too few reported flights that month.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for DSM · methodology · corrections.