Denver (DEN) to Fort Lauderdale (FLL): On-Time Performance
Data through July 2026
The calendar drives reliability on DEN–FLL. November 2025 flights landed on schedule 90% of the time, but July 2026 dropped to 48% — a gap of 42 points. Across the full period the route averages 76% on-time against a national 78%.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 4.4
- last 12 months
- Duration
- 3h 55m
- scheduled
- Distance
- 1,703 mi
Best airline from DEN to FLL
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 80% | 13 min | 0.4% | 2,513 |
| Southwest Airlines | 64% | 22 min | 0.4% | 802 |
Monthly on-time trend
Best time to fly from DEN to FLL
Aim for departures around 11 p.m. (83% on-time); avoid 3 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 16 min |
| Tuesdaybest | 80% | 13 min |
| Wednesday | 78% | 15 min |
| Thursday | 77% | 14 min |
| Friday | 73% | 18 min |
| Saturday | 72% | 15 min |
| Sunday | 74% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft42%
- Airline operations31%
- National airspace system25%
- Weather1%
Frequently asked questions
- How often are flights from DEN to FLL delayed?
- 24% of DEN–FLL 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 15 minutes.
- Which airline is most reliable from DEN to FLL?
- United Airlines has the best on-time record on this route at 80%, based on 2,513 flights. 2 airlines flew DEN–FLL frequently enough to compare in this period.
- What is the best time of day to fly from DEN to FLL?
- Departures around 11 p.m. have the best record (83% on-time), while departures around 3 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to FLL?
- The scheduled DEN–FLL flight time averages 3h 55m over 1,703 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are DEN to FLL flights cancelled?
- 0.4% 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 DEN to FLL?
- July 2026 was the roughest month in this dataset, with only 48% of arrivals on time. The best was November 2025 at 90%. If your dates are flexible, that 42-point gap is worth planning around.
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Based on 3,337 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.