Which departure time was most reliable for GRR to MSP?
Among qualifying GRR-to-MSP departure window results, Early morning had the highest on-time rate: 83.3% of 365 flights. Evening was lowest at 73.0% across 270 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 365 | 83.3% | 10.7% | 1.4% |
| Late morning | 170 | 81.8% | 10.6% | 0.6% |
| Afternoon | 438 | 79.2% | 15.1% | 0.7% |
| Evening | 270 | 73.0% | 18.1% | 1.5% |
Which weekday was most reliable for GRR to MSP?
Among qualifying GRR-to-MSP weekday results, Tuesday had the highest on-time rate: 84.9% of 186 flights. Sunday was lowest at 74.6% across 181 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 184 | 81.0% | 12.0% | 1.6% |
| Tuesday | 186 | 84.9% | 9.7% | 0.5% |
| Wednesday | 182 | 78.6% | 15.4% | 0.5% |
| Thursday | 182 | 79.1% | 14.8% | 0.5% |
| Friday | 183 | 78.7% | 15.3% | 0.5% |
| Saturday | 145 | 78.6% | 13.1% | 0.0% |
| Sunday | 181 | 74.6% | 16.6% | 3.3% |
Which airline was most reliable for GRR to MSP?
Among qualifying GRR-to-MSP airline results, Delta Air Lines had the highest on-time rate: 79.7% of 591 flights. SkyWest Airlines was lowest at 79.1% across 652 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| SkyWest Airlines | 652 | 79.1% | 14.4% | 0.9% |
| Delta Air Lines | 591 | 79.7% | 13.2% | 1.2% |
Which month was most reliable for GRR to MSP?
Among qualifying GRR-to-MSP month results, May 2026 had the highest on-time rate: 91.3% of 115 flights. December 2025 was lowest at 55.6% across 72 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 115 | 80.9% | 13.0% | 0.0% |
| August 2025 | 113 | 80.5% | 10.6% | 0.0% |
| September 2025 | 107 | 81.3% | 10.3% | 0.0% |
| October 2025 | 114 | 88.6% | 9.6% | 0.0% |
| November 2025 | 107 | 87.9% | 10.3% | 1.9% |
| December 2025 | 72 | 55.6% | 22.2% | 4.2% |
| January 2026 | 93 | 55.9% | 29.0% | 0.0% |
| February 2026 | 81 | 85.2% | 14.8% | 0.0% |
| March 2026 | 113 | 73.5% | 15.9% | 5.3% |
| April 2026 | 96 | 87.5% | 8.3% | 1.0% |
| May 2026 | 115 | 91.3% | 7.8% | 0.0% |
| June 2026 | 117 | 75.2% | 18.8% | 0.9% |
What drove GRR to MSP delay minutes?
Airline was the largest recorded GRR-to-MSP delay category, accounting for 58.4% of 19,337 BTS-attributed delay minutes during July 2025–June 2026.
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