79% of flights from San Francisco to Fort Lauderdale arrived on time over the past 12 months. That is about the typical U.S. route. The 8 a.m. departures ran on time 91% of the time; the 11 a.m. ones 67%. Most reliable airline: United Airlines (84%). 6% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for SFO → FLL: when a flight was late, it was under 45 minutes late 61% of the time. About 1 in 17 flights landed an hour or more late, and 1 in 113 three hours or more; 0.1% were cancelled outright.
- On time or early79%
- 15–30 min late8.9%
- 30–60 min late6.0%
- 1–2 hours late3.2%
- 2–3 hours late1.7%
- 3+ hours late0.9%
- Diverted0.2%
- Cancelled0.1%
Share of all 1,242 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| JetBlue | 757 | 76% | 0.1% | −3 min | 7.8% | +69 min | JetBlue |
| United Airlines | 485 | 84% | 0.0% | −5 min | 2.7% | +44 min | United Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at SFO). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | JetBlue | United Airlines |
|---|---|---|
| 8 a.m. | — | 93% |
| 10 a.m. | 71% | — |
| 11 a.m. | 66% | — |
| 9 p.m. | — | 76% |
| 11 p.m. | 77% | — |
Last flight of the day
On SFO → FLL, each airline's last flight of the day was cancelled 0.0% of the time, against 0.2% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 1.4% of the time (earlier flights: 0.5%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.
| Airline | Last departure | Last: cancelled | Last: 3h+ late | Earlier: cancelled | Next morning |
|---|---|---|---|---|---|
| JetBlue | 10:40 p.m. | 0.0% | 1.4% | 0.3% | first flight 11:00 a.m. |
| United Airlines | 9:15 p.m. | 0.0% | 1.4% | 0.0% | first flight 9:15 p.m. |
Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.
By month
Each calendar month pooled over 2023–2026. Best: November (90%). Worst: March (68%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 185 | 78% | 0.0% |
| Tuesday | 159 | 81% | 0.6% |
| Wednesday | 173 | 80% | 0.0% |
| Thursday | 182 | 81% | 0.0% |
| Friday | 183 | 79% | 0.0% |
| Saturday | 177 | 77% | 0.0% |
| Sunday | 183 | 78% | 0.0% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 1
Month by month
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| B6 278 | 10:40 p.m. | 158 | 75% | 0.0% | −2 min | JetBlue |
| B6 378 | 11:59 p.m. | 363 | 74% | 0.0% | −1 min | JetBlue |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Jan 3, 2026 | 5 | 0% | 0 |
| Mar 7, 2026 | 4 | 0% | 0 |
| Mar 16, 2026 | 4 | 0% | 0 |
| Jul 24, 2026 | 3 | 0% | 0 |
| May 22, 2026 | 3 | 0% | 0 |
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of San Francisco or Fort Lauderdale. None has been clearly more reliable than SFO → FLL.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| SFO → FLL (this route) | 1,242 | 79% | 0.1% |
| SFO → MIA San Francisco to Miami | 1,741 | 76% | 0.6% |
Questions
How often are flights from SFO to FLL on time?
79% of 1,242 scheduled flights from San Francisco, CA to Fort Lauderdale, FL arrived within 15 minutes of schedule between September 2025 and August 2026. 0.1% were cancelled.
What is the best time of day to fly SFO to FLL?
Flights scheduled to leave at 8 a.m. were the most reliable (91% on time). The 11 a.m. departures were the least (67%).
Which airline is most on time from SFO to FLL?
United Airlines: 84% of its 485 flights on the route arrived on time. JetBlue: 76%.
What month has the most delays from SFO to FLL?
March (68% on time). The best month is November (90%), over 2023–2026.
Is the last flight of the day from SFO to FLL more likely to be cancelled?
No, the opposite. Each airline's last SFO–FLL flight of the day was cancelled 0.0% of the time over the past year, against 0.2% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.
Related
- FLL → SFO (return)
- San Francisco (SFO) delays by hour
- Flights into Fort Lauderdale (FLL)
- JetBlue on-time record
- United Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.