Best Time to Fly ORD to FLL: On-Time Stats by Hour & Airline
Chicago O'Hare International → Fort Lauderdale-Hollywood International
Data through July 2026 · Last updated October 18, 2026
3,464 flights were scheduled from Chicago (ORD) to Fort Lauderdale (FLL) in the last 12 months, and 72.1% of those that flew arrived on time, 5.5 points below the US average of 77.6%.
Among 6 airlines, United Airlines led with 77.9% on time and Spirit Airlines was last with 64.2%.
Over 24 months, Tuesday was the most reliable day (83% on time) and March the worst month (65%).
The cancellation rate was 2.1% (US average 1.8%).
ORD to FLL 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 | 77.9% | 67 min | 0.8% | 1,509 |
| JetBlue | 77.5% | 61 min | 11.1% | 45 |
| American Airlines | 70.5% | 79 min | 1.4% | 841 |
| Frontier Airlines | 67.0% | 84 min | 2.8% | 182 |
| Southwest Airlines | 65.6% | 52 min | 3.0% | 33 |
| Spirit Airlines | 64.2% | 85 min | 4.6% | 854 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to FLL
On-time arrival % by scheduled departure hour (local time), 6,303 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 3 | |
| 5am–6am | 87.4% | 2.6% | 642 |
| 6am–7am | 90.2% | 0.6% | 165 |
| 7am–8am | 83.9% | 1.6% | 1,116 |
| 8am–9am | 78.2% | 0.4% | 723 |
| 9am–10am | 73.3% | 1.6% | 122 |
| 10am–11am | 77.3% | 1.0% | 818 |
| 11am–12pm | 83.0% | 0.4% | 226 |
| 12pm–1pm | 67.5% | 1.3% | 384 |
| 1pm–2pm | 64.4% | 0.0% | 45 |
| 2pm–3pm | 71.6% | 1.5% | 201 |
| 3pm–4pm | 67.6% | 3.0% | 232 |
| 4pm–5pm | 63.4% | 0.6% | 334 |
| 5pm–6pm | 67.9% | 1.4% | 278 |
| 6pm–7pm | 66.8% | 2.2% | 693 |
| 7pm–8pm | 66.5% | 1.1% | 260 |
| 8pm–9pm | 51.8% | 6.7% | 60 |
| 9pm–10pm | Limited data | 1 | |
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 FLL
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) | 70.7% | -6.2 pts | 2.9% | 137 |
| Christmas & New Year (Dec 20 - Jan 3) | 65.8% | -11.1 pts | 1.4% | 368 |
| Summer peak (Jun 15 - Aug 15) | 74.9% | -2.0 pts | 1.7% | 876 |
| All other days | 76.9% | — | 1.4% | 4,922 |
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).