Which departure time was most reliable for GRR to LGA?
Among qualifying GRR-to-LGA departure window results, Late morning had the highest on-time rate: 90.2% of 92 flights. Evening was lowest at 57.3% across 178 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 355 | 86.8% | 4.8% | 3.9% |
| Late morning | 92 | 90.2% | 5.4% | 0.0% |
| Afternoon | 341 | 69.8% | 17.0% | 3.8% |
| Evening | 178 | 57.3% | 21.9% | 11.2% |
Which weekday was most reliable for GRR to LGA?
Among qualifying GRR-to-LGA weekday results, Saturday had the highest on-time rate: 80.6% of 72 flights. Thursday was lowest at 71.1% across 149 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 148 | 77.7% | 9.5% | 7.4% |
| Tuesday | 152 | 77.6% | 11.8% | 3.9% |
| Wednesday | 149 | 77.2% | 12.1% | 4.7% |
| Thursday | 149 | 71.1% | 14.8% | 5.4% |
| Friday | 149 | 74.5% | 12.8% | 3.4% |
| Saturday | 72 | 80.6% | 11.1% | 2.8% |
| Sunday | 147 | 73.5% | 13.6% | 5.4% |
Which airline was most reliable for GRR to LGA?
Only Republic Airways met the GRR-to-LGA airline threshold: 75.7% of 966 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Republic Airways | 966 | 75.7% | 12.3% | 4.9% |
Which month was most reliable for GRR to LGA?
Among qualifying GRR-to-LGA month results, September 2025 had the highest on-time rate: 89.3% of 112 flights. December 2025 was lowest at 52.8% across 53 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 116 | 62.9% | 18.1% | 7.8% |
| August 2025 | 113 | 83.2% | 8.8% | 1.8% |
| September 2025 | 112 | 89.3% | 5.4% | 0.0% |
| October 2025 | 116 | 82.8% | 6.9% | 2.6% |
| November 2025 | 79 | 68.4% | 16.5% | 7.6% |
| December 2025 | 53 | 52.8% | 24.5% | 3.8% |
| January 2026 | 50 | 76.0% | 10.0% | 14.0% |
| February 2026 | 52 | 84.6% | 5.8% | 7.7% |
| March 2026 | 79 | 59.5% | 16.5% | 13.9% |
| April 2026 | 48 | 83.3% | 12.5% | 0.0% |
| May 2026 | 62 | 80.6% | 12.9% | 1.6% |
| June 2026 | 86 | 77.9% | 15.1% | 2.3% |
What drove GRR to LGA delay minutes?
Airline was the largest recorded GRR-to-LGA delay category, accounting for 39.4% of 11,824 BTS-attributed delay minutes during July 2025–June 2026.
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