Which departure time was most reliable for SUN to ORD?
Among qualifying SUN-to-ORD departure window results, Early morning had the highest on-time rate: 86.4% of 44 flights. Afternoon was lowest at 50.7% across 219 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 44 | 86.4% | 4.5% | 2.3% |
| Afternoon | 219 | 50.7% | 35.2% | 5.0% |
Which weekday was most reliable for SUN to ORD?
Among qualifying SUN-to-ORD weekday results, Wednesday had the highest on-time rate: 71.8% of 39 flights. Friday was lowest at 33.3% across 33 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 32 | 53.1% | 37.5% | 0.0% |
| Tuesday | 31 | 61.3% | 25.8% | 9.7% |
| Wednesday | 39 | 71.8% | 17.9% | 5.1% |
| Thursday | 32 | 56.2% | 25.0% | 9.4% |
| Friday | 33 | 33.3% | 57.6% | 3.0% |
| Saturday | 48 | 58.3% | 25.0% | 0.0% |
| Sunday | 48 | 58.3% | 27.1% | 6.2% |
Which airline was most reliable for SUN to ORD?
Only SkyWest Airlines met the SUN-to-ORD airline threshold: 56.7% of 263 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| SkyWest Airlines | 263 | 56.7% | 30.0% | 4.6% |
Which month was most reliable for SUN to ORD?
Among qualifying SUN-to-ORD month results, January 2026 had the highest on-time rate: 59.7% of 62 flights. December 2025 was lowest at 32.1% across 28 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| December 2025 | 28 | 32.1% | 46.4% | 10.7% |
| January 2026 | 62 | 59.7% | 30.6% | 6.5% |
| February 2026 | 56 | 51.8% | 32.1% | 1.8% |
| March 2026 | 62 | 50.0% | 37.1% | 3.2% |
What drove SUN to ORD delay minutes?
Airline was the largest recorded SUN-to-ORD delay category, accounting for 30.5% of 10,045 BTS-attributed delay minutes during July 2025–June 2026.
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