Which departure time was most reliable for ORD to SGF?
Among qualifying ORD-to-SGF departure window results, Early morning had the highest on-time rate: 79.8% of 420 flights. Late morning was lowest at 69.1% across 94 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 420 | 79.8% | 11.0% | 1.4% |
| Late morning | 94 | 69.1% | 22.3% | 3.2% |
| Afternoon | 500 | 69.4% | 20.2% | 2.6% |
| Evening | 419 | 70.9% | 18.6% | 2.9% |
Which weekday was most reliable for ORD to SGF?
Among qualifying ORD-to-SGF weekday results, Tuesday had the highest on-time rate: 78.0% of 191 flights. Sunday was lowest at 68.7% across 217 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 219 | 69.4% | 21.5% | 3.2% |
| Tuesday | 191 | 78.0% | 12.6% | 2.1% |
| Wednesday | 210 | 71.9% | 17.6% | 2.9% |
| Thursday | 209 | 75.1% | 16.3% | 3.8% |
| Friday | 212 | 70.8% | 13.7% | 0.9% |
| Saturday | 176 | 77.3% | 14.8% | 1.1% |
| Sunday | 217 | 68.7% | 22.6% | 2.8% |
Which airline was most reliable for ORD to SGF?
Among qualifying ORD-to-SGF airline results, Envoy Air had the highest on-time rate: 75.2% of 1,088 flights. SkyWest Airlines was lowest at 65.3% across 346 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Envoy Air | 1,088 | 75.2% | 15.1% | 2.1% |
| SkyWest Airlines | 346 | 65.3% | 23.7% | 3.5% |
Which month was most reliable for ORD to SGF?
Among qualifying ORD-to-SGF month results, May 2026 had the highest on-time rate: 84.9% of 119 flights. December 2025 was lowest at 53.9% across 102 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 119 | 68.1% | 26.1% | 0.8% |
| August 2025 | 147 | 81.0% | 11.6% | 1.4% |
| September 2025 | 161 | 81.4% | 11.2% | 0.0% |
| October 2025 | 143 | 65.7% | 22.4% | 0.0% |
| November 2025 | 108 | 69.4% | 19.4% | 5.6% |
| December 2025 | 102 | 53.9% | 33.3% | 5.9% |
| January 2026 | 86 | 69.8% | 20.9% | 2.3% |
| February 2026 | 76 | 75.0% | 14.5% | 0.0% |
| March 2026 | 94 | 72.3% | 16.0% | 4.3% |
| April 2026 | 139 | 71.9% | 14.4% | 2.9% |
| May 2026 | 119 | 84.9% | 9.2% | 0.8% |
| June 2026 | 140 | 73.6% | 12.9% | 6.4% |
What drove ORD to SGF delay minutes?
Late aircraft was the largest recorded ORD-to-SGF delay category, accounting for 43.4% of 23,467 BTS-attributed delay minutes during July 2025–June 2026.
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