Which departure time was most reliable for IAD to MSP?
Among qualifying IAD-to-MSP departure window results, Early morning had the highest on-time rate: 89.0% of 381 flights. Evening was lowest at 75.6% across 164 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 381 | 89.0% | 5.5% | 1.6% |
| Late morning | 147 | 82.3% | 11.6% | 0.7% |
| Afternoon | 229 | 81.7% | 13.1% | 0.9% |
| Evening | 164 | 75.6% | 16.5% | 0.6% |
Which weekday was most reliable for IAD to MSP?
Among qualifying IAD-to-MSP weekday results, Thursday had the highest on-time rate: 89.5% of 133 flights. Wednesday was lowest at 78.7% across 136 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 140 | 81.4% | 10.0% | 1.4% |
| Tuesday | 142 | 84.5% | 7.7% | 0.7% |
| Wednesday | 136 | 78.7% | 15.4% | 0.7% |
| Thursday | 133 | 89.5% | 7.5% | 0.0% |
| Friday | 136 | 85.3% | 11.8% | 0.7% |
| Saturday | 100 | 83.0% | 12.0% | 0.0% |
| Sunday | 134 | 83.6% | 8.2% | 3.7% |
Which airline was most reliable for IAD to MSP?
Among qualifying IAD-to-MSP airline results, United Airlines had the highest on-time rate: 87.0% of 46 flights. SkyWest Airlines was lowest at 83.6% across 819 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| SkyWest Airlines | 819 | 83.6% | 10.7% | 1.1% |
| United Airlines | 46 | 87.0% | 4.3% | 0.0% |
| Republic Airways | 31 | 83.9% | 6.5% | 3.2% |
| Delta Air Lines | 25 | 80.0% | 12.0% | 0.0% |
Which month was most reliable for IAD to MSP?
Among qualifying IAD-to-MSP month results, September 2025 had the highest on-time rate: 95.0% of 40 flights. March 2026 was lowest at 71.6% across 88 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 85 | 80.0% | 12.9% | 0.0% |
| August 2025 | 82 | 79.3% | 13.4% | 0.0% |
| September 2025 | 40 | 95.0% | 0.0% | 0.0% |
| October 2025 | 76 | 93.4% | 1.3% | 0.0% |
| November 2025 | 77 | 93.5% | 5.2% | 0.0% |
| December 2025 | 76 | 72.4% | 21.1% | 0.0% |
| January 2026 | 53 | 73.6% | 17.0% | 5.7% |
| February 2026 | 50 | 88.0% | 6.0% | 2.0% |
| March 2026 | 88 | 71.6% | 14.8% | 4.5% |
| April 2026 | 77 | 92.2% | 3.9% | 1.3% |
| May 2026 | 101 | 86.1% | 11.9% | 0.0% |
| June 2026 | 116 | 84.5% | 10.3% | 0.9% |
What drove IAD to MSP delay minutes?
Airline was the largest recorded IAD-to-MSP delay category, accounting for 72.6% of 13,875 BTS-attributed delay minutes during July 2025–June 2026.
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