Best Time to Fly FLL to DEN: On-Time Stats by Hour & Airline
Fort Lauderdale-Hollywood International → Denver International
Data through July 2026 · Last updated October 18, 2026
1,607 flights were scheduled from Fort Lauderdale (FLL) to Denver (DEN) in the last 12 months, and 82.8% of those that flew arrived on time, 5.1 points above the US average of 77.6%.
United Airlines was the most punctual of the 2 airlines on the route at 87.4%, while Southwest Airlines trailed at 68.7%.
November has been the best month (91% on time) and Sunday the weakest day of the week (74%).
0.2% of flights were cancelled, versus 1.8% nationally.
FLL to DEN 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 | 87.4% | 101 min | 0.2% | 1,202 |
| Southwest Airlines | 68.7% | 54 min | 0.0% | 383 |
| JetBlue | Limited data | 22 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly FLL to DEN
On-time arrival % by scheduled departure hour (local time), 3,214 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 18 | |
| 6am–7am | 95.7% | 0.0% | 47 |
| 7am–8am | 93.1% | 0.2% | 554 |
| 8am–9am | 93.3% | 0.7% | 272 |
| 9am–10am | 90.2% | 1.1% | 549 |
| 10am–11am | 82.9% | 0.0% | 123 |
| 11am–12pm | Limited data | 26 | |
| 12pm–1pm | 84.5% | 0.0% | 369 |
| 1pm–2pm | 65.5% | 0.0% | 84 |
| 2pm–3pm | 67.1% | 0.0% | 167 |
| 3pm–4pm | 74.5% | 0.0% | 775 |
| 4pm–5pm | 44.3% | 0.0% | 61 |
| 5pm–6pm | Limited data | 13 | |
| 6pm–7pm | Limited data | 17 | |
| 7pm–8pm | Limited data | 11 | |
| 8pm–9pm | 75.6% | 0.8% | 120 |
| 9pm–10pm | Limited data | 8 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on FLL to DEN
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) | 79.2% | -4.9 pts | 0.0% | 72 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.7% | -6.3 pts | 0.0% | 202 |
| Summer peak (Jun 15 - Aug 15) | 78.4% | -5.7 pts | 0.9% | 454 |
| All other days | 84.1% | — | 0.2% | 2,486 |
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).