Which departure time was most reliable for PHX to DSM?
Among qualifying PHX-to-DSM departure window results, Early morning had the highest on-time rate: 82.4% of 250 flights. Evening was lowest at 67.6% across 306 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 250 | 82.4% | 6.8% | 0.4% |
| Late morning | 221 | 76.5% | 11.3% | 0.9% |
| Afternoon | 289 | 79.6% | 12.1% | 1.7% |
| Evening | 306 | 67.6% | 18.6% | 2.3% |
Which weekday was most reliable for PHX to DSM?
Among qualifying PHX-to-DSM weekday results, Wednesday had the highest on-time rate: 84.3% of 127 flights. Sunday was lowest at 69.1% across 175 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 168 | 72.0% | 14.9% | 0.6% |
| Tuesday | 126 | 78.6% | 11.1% | 1.6% |
| Wednesday | 127 | 84.3% | 7.1% | 0.0% |
| Thursday | 166 | 78.9% | 13.9% | 0.0% |
| Friday | 163 | 78.5% | 9.8% | 0.6% |
| Saturday | 142 | 74.6% | 12.0% | 1.4% |
| Sunday | 175 | 69.1% | 17.1% | 5.1% |
Which airline was most reliable for PHX to DSM?
Among qualifying PHX-to-DSM airline results, Envoy Air had the highest on-time rate: 79.2% of 48 flights. Southwest Airlines was lowest at 71.1% across 166 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| American Airlines | 494 | 75.7% | 13.6% | 1.8% |
| SkyWest Airlines | 352 | 79.0% | 10.5% | 1.4% |
| Southwest Airlines | 166 | 71.1% | 13.9% | 0.6% |
| Envoy Air | 48 | 79.2% | 12.5% | 0.0% |
| Frontier Airlines | 7 | 71.4% | 14.3% | 0.0% |
Which month was most reliable for PHX to DSM?
Among qualifying PHX-to-DSM month results, April 2026 had the highest on-time rate: 87.6% of 105 flights. November 2025 was lowest at 69.1% across 94 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 61 | 73.8% | 11.5% | 0.0% |
| August 2025 | 70 | 81.4% | 10.0% | 0.0% |
| September 2025 | 68 | 83.8% | 5.9% | 1.5% |
| October 2025 | 106 | 77.4% | 14.2% | 0.0% |
| November 2025 | 94 | 69.1% | 12.8% | 4.3% |
| December 2025 | 97 | 72.2% | 16.5% | 2.1% |
| January 2026 | 92 | 75.0% | 14.1% | 3.3% |
| February 2026 | 90 | 77.8% | 13.3% | 0.0% |
| March 2026 | 127 | 72.4% | 15.0% | 3.9% |
| April 2026 | 105 | 87.6% | 4.8% | 0.0% |
| May 2026 | 96 | 69.8% | 15.6% | 0.0% |
| June 2026 | 61 | 77.0% | 14.8% | 0.0% |
What drove PHX to DSM delay minutes?
Airline was the largest recorded PHX-to-DSM delay category, accounting for 44.0% of 11,756 BTS-attributed delay minutes during July 2025–June 2026.
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