Which departure time was most reliable for ORD to SLN?
Only Afternoon met the ORD-to-SLN departure window threshold: 58.8% of 362 scheduled flights arrived on time during July 2025–June 2026.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Afternoon | 362 | 58.8% | 29.6% | 3.3% |
Which weekday was most reliable for ORD to SLN?
Among qualifying ORD-to-SLN weekday results, Thursday had the highest on-time rate: 65.3% of 49 flights. Sunday was lowest at 46.2% across 52 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 52 | 61.5% | 25.0% | 3.8% |
| Tuesday | 53 | 64.2% | 20.8% | 1.9% |
| Wednesday | 52 | 55.8% | 32.7% | 1.9% |
| Thursday | 49 | 65.3% | 24.5% | 4.1% |
| Friday | 52 | 55.8% | 30.8% | 3.8% |
| Saturday | 52 | 63.5% | 28.8% | 3.8% |
| Sunday | 52 | 46.2% | 44.2% | 3.8% |
Which airline was most reliable for ORD to SLN?
Only SkyWest Airlines met the ORD-to-SLN airline threshold: 58.8% of 362 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| SkyWest Airlines | 362 | 58.8% | 29.6% | 3.3% |
Which month was most reliable for ORD to SLN?
Among qualifying ORD-to-SLN month results, October 2025 had the highest on-time rate: 74.2% of 31 flights. April 2026 was lowest at 40.0% across 30 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 31 | 58.1% | 25.8% | 0.0% |
| August 2025 | 31 | 71.0% | 19.4% | 3.2% |
| September 2025 | 30 | 70.0% | 20.0% | 0.0% |
| October 2025 | 31 | 74.2% | 19.4% | 0.0% |
| November 2025 | 29 | 65.5% | 17.2% | 6.9% |
| December 2025 | 30 | 53.3% | 40.0% | 3.3% |
| January 2026 | 30 | 60.0% | 26.7% | 6.7% |
| February 2026 | 28 | 64.3% | 35.7% | 0.0% |
| March 2026 | 31 | 58.1% | 25.8% | 6.5% |
| April 2026 | 30 | 40.0% | 43.3% | 6.7% |
| May 2026 | 31 | 45.2% | 45.2% | 0.0% |
| June 2026 | 30 | 46.7% | 36.7% | 6.7% |
What drove ORD to SLN delay minutes?
Late aircraft was the largest recorded ORD-to-SLN delay category, accounting for 37.8% of 14,543 BTS-attributed delay minutes during July 2025–June 2026.
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