Best Time to Fly ORD to LEX: On-Time Stats by Hour & Airline
Chicago O'Hare International → Blue Grass
Data through July 2026 · Last updated October 18, 2026
1,709 flights were scheduled from Chicago (ORD) to Lexington (LEX) in the last 12 months, and 70.8% of those that flew arrived on time, 6.9 points below the US average of 77.6%.
Among 2 airlines, Envoy Air led with 72.8% on time and SkyWest Airlines was last with 70.3%.
Over 24 months, Tuesday was the most reliable day (79% on time) and July the worst month (60%).
The cancellation rate was 3.2% (US average 1.8%).
ORD to LEX on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Air | 72.8% | 77 min | 1.4% | 295 |
| SkyWest Airlines | 70.3% | 92 min | 3.7% | 1,391 |
| PSA Airlines | Limited data | 23 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to LEX
On-time arrival % by scheduled departure hour (local time), 3,070 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 73.2% | 0.0% | 56 |
| 8am–9am | 76.8% | 1.2% | 337 |
| 9am–10am | 94.9% | 0.0% | 98 |
| 10am–11am | 77.3% | 0.3% | 283 |
| 11am–12pm | 83.9% | 0.0% | 31 |
| 1pm–2pm | 75.9% | 2.2% | 178 |
| 2pm–3pm | 75.8% | 1.5% | 546 |
| 3pm–4pm | 66.3% | 2.9% | 281 |
| 4pm–5pm | 44.0% | 3.8% | 79 |
| 5pm–6pm | 61.7% | 4.7% | 148 |
| 6pm–7pm | 70.4% | 1.1% | 188 |
| 7pm–8pm | 74.3% | 2.0% | 195 |
| 8pm–9pm | 66.0% | 1.9% | 421 |
| 9pm–10pm | 73.6% | 5.4% | 185 |
| 10pm–11pm | 55.6% | 14.3% | 42 |
| 11pm–12am | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD to LEX
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 59.6% | -15.7 pts | 10.3% | 58 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.5% | -1.8 pts | 0.0% | 68 |
| Summer peak (Jun 15 - Aug 15) | 59.9% | -15.4 pts | 3.1% | 552 |
| All other days | 75.3% | — | 1.8% | 2,392 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).