Best Time to Fly ORD to RSW: On-Time Stats by Hour & Airline
Chicago O'Hare International → Southwest Florida International
Data through July 2026 · Last updated October 18, 2026
3,238 flights were scheduled from Chicago (ORD) to Fort Myers (RSW) in the last 12 months, and 76.0% of those that flew arrived on time, 1.6 points below the US average of 77.6%.
United Airlines was the most punctual of the 5 airlines on the route at 82.1%, while Spirit Airlines trailed at 60.1%.
September has been the best month (92% on time) and Sunday the weakest day of the week (73%).
1.6% of flights were cancelled, versus 1.8% nationally.
ORD to RSW 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 |
|---|---|---|---|---|
| United Airlines | 82.1% | 69 min | 0.6% | 1,612 |
| Southwest Airlines | 78.0% | 50 min | 2.9% | 103 |
| Frontier Airlines | 77.1% | 75 min | 2.8% | 36 |
| American Airlines | 71.8% | 69 min | 1.7% | 1,144 |
| Spirit Airlines | 60.1% | 81 min | 5.8% | 343 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to RSW
On-time arrival % by scheduled departure hour (local time), 5,934 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 3 | |
| 5am–6am | 83.3% | 0.0% | 66 |
| 6am–7am | 86.9% | 1.6% | 504 |
| 7am–8am | 90.0% | 1.2% | 940 |
| 8am–9am | 79.4% | 1.6% | 504 |
| 9am–10am | 81.7% | 0.9% | 447 |
| 10am–11am | 84.6% | 0.6% | 871 |
| 11am–12pm | 71.2% | 1.3% | 225 |
| 12pm–1pm | 75.2% | 1.4% | 508 |
| 1pm–2pm | 72.1% | 1.1% | 174 |
| 2pm–3pm | 82.9% | 2.3% | 217 |
| 3pm–4pm | 71.8% | 0.0% | 85 |
| 4pm–5pm | 71.4% | 1.5% | 526 |
| 5pm–6pm | 75.1% | 1.8% | 286 |
| 6pm–7pm | 65.0% | 1.6% | 186 |
| 7pm–8pm | 59.0% | 4.5% | 330 |
| 8pm–9pm | 53.3% | 3.2% | 62 |
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 RSW
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) | 73.4% | -7.0 pts | 4.6% | 130 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.3% | -9.1 pts | 1.5% | 402 |
| Summer peak (Jun 15 - Aug 15) | 76.1% | -4.3 pts | 1.3% | 702 |
| All other days | 80.4% | — | 1.4% | 4,700 |
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).