San Francisco (SFO) to Fort Lauderdale (FLL): On-Time Performance
Data through May 2026
San Francisco (SFO) to Fort Lauderdale (FLL) effectively runs on two schedules. In October 2024, 94% of arrivals were on time; in March 2026 that fell to 69% — a 25-point seasonal swing. Across the full period the route averages 83% on-time against a national 78%.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 3.5
- last 12 months
- Duration
- 5h 30m
- scheduled
- Distance
- 2,584 mi
Best airline from SFO to FLL
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 85% | 8 min | 0.9% | 988 |
| JetBlue Airways | 81% | 15 min | 0.5% | 1,533 |
Monthly on-time trend
Best time to fly from SFO to FLL
Aim for departures around 9 a.m. (91% on-time); avoid 11 a.m. departures (79%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 12 min |
| Tuesdaybest | 86% | 10 min |
| Wednesday | 85% | 8 min |
| Thursday | 83% | 16 min |
| Friday | 81% | 13 min |
| Saturday | 82% | 13 min |
| Sunday | 80% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations43%
- National airspace system21%
Frequently asked questions
- How often are flights from SFO to FLL delayed?
- 17% of SFO–FLL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from SFO to FLL?
- United Airlines has the best on-time record on this route at 85%, based on 988 flights. 2 airlines flew SFO–FLL frequently enough to compare in this period.
- What is the best time of day to fly from SFO to FLL?
- Departures around 9 a.m. have the best record (91% on-time), while departures around 11 a.m. have the worst (79%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SFO to FLL?
- The scheduled SFO–FLL flight time averages 5h 30m over 2,584 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are SFO to FLL flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from SFO to FLL?
- March 2026 was the roughest month in this dataset, with only 69% of arrivals on time. The best was October 2024 at 94%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 2,549 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.