Fort Lauderdale (FLL) to Denver (DEN): On-Time Performance
Data through July 2026
The calendar drives reliability on FLL–DEN. November 2024 flights landed on schedule 92% of the time, but July 2025 dropped to 74% — a gap of 18 points. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 75%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 4.4
- last 12 months
- Duration
- 4h 32m
- scheduled
- Distance
- 1,703 mi
Best airline from FLL to DEN
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 85% | 13 min | 0.4% | 2,514 |
| Southwest Airlines | 73% | 16 min | 0.0% | 802 |
Monthly on-time trend
Best time to fly from FLL to DEN
Aim for departures around 8 a.m. (94% on-time); avoid 4 p.m. departures (44%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 18 min |
| Tuesday | 85% | 10 min |
| Wednesdaybest | 87% | 8 min |
| Thursday | 86% | 10 min |
| Friday | 83% | 12 min |
| Saturday | 80% | 14 min |
| Sunday | 73% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations31%
- National airspace system24%
- Weather8%
Frequently asked questions
- How often are flights from FLL to DEN delayed?
- 18% of FLL–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 minutes.
- Which airline is most reliable from FLL to DEN?
- United Airlines has the best on-time record on this route at 85%, based on 2,514 flights. 2 airlines flew FLL–DEN frequently enough to compare in this period.
- What is the best time of day to fly from FLL to DEN?
- Departures around 8 a.m. have the best record (94% on-time), while departures around 4 p.m. have the worst (44%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from FLL to DEN?
- The scheduled FLL–DEN flight time averages 4h 32m over 1,703 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are FLL to DEN flights cancelled?
- 0.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from FLL to DEN?
- July 2025 was the roughest month in this dataset, with only 74% of arrivals on time. The best was November 2024 at 92%. If your dates are flexible, that 18-point gap is worth planning around.
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Based on 3,338 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.