73% of flights from Orlando to San Juan arrived on time over the past 12 months. That is worse than the typical U.S. route. The 6 a.m. departures ran on time 91% of the time; the 9 p.m. ones 43%. Most reliable airline: Frontier Airlines (75%). 9% 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 MCO → SJU: when a flight was late, it was under 45 minutes late 55% of the time. About 1 in 12 flights landed an hour or more late, and 1 in 88 three hours or more; 1.1% were cancelled outright.
- On time or early73%
- 15–30 min late9.3%
- 30–60 min late8.5%
- 1–2 hours late5.0%
- 2–3 hours late1.9%
- 3+ hours late1.1%
- Diverted0.0%
- Cancelled1.1%
Share of all 6,141 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 | 2,196 | 74% | 1.5% | −2 min | 8.7% | +69 min | JetBlue |
| Southwest Airlines | 2,112 | 69% | 0.6% | +3 min | 6.7% | +49 min | Southwest Airlines |
| Frontier Airlines | 1,350 | 75% | 1.3% | −6 min | 8.7% | +78 min | Frontier Airlines |
| Spirit Airlines | 483 | 75% | 1.2% | −3 min | 9.1% | +65 min | Spirit 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 MCO). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | JetBlue | Southwest Airlines | Frontier Airlines | Spirit Airlines |
|---|---|---|---|---|
| 5 a.m. | 91% | — | 88% | — |
| 6 a.m. | 92% | 91% | — | 92% |
| 7 a.m. | — | 92% | — | — |
| 9 a.m. | 79% | — | — | — |
| 10 a.m. | 83% | 85% | — | — |
| 11 a.m. | 61% | 68% | — | — |
| noon | 66% | — | — | — |
| 1 p.m. | 73% | — | — | — |
| 2 p.m. | 76% | 70% | — | — |
| 3 p.m. | — | 74% | — | — |
| 4 p.m. | — | 67% | — | — |
| 5 p.m. | 64% | 72% | — | — |
| 6 p.m. | 66% | 64% | — | — |
| 8 p.m. | — | 44% | 65% | — |
| 9 p.m. | — | 30% | — | — |
| 11 p.m. | — | — | 78% | — |
Last flight of the day
On MCO → SJU, each airline's last flight of the day was cancelled 1.3% of the time, against 1.1% for its earlier flights, about the same. It arrived 3+ hours late 1.0% of the time (earlier flights: 1.2%). 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 | 11:05 p.m. | 1.1% | 1.1% | 1.6% | first flight 5:08 a.m. |
| Frontier Airlines | 11:17 p.m. | 1.2% | 0.6% | 1.4% | first flight 5:01 a.m. |
| Spirit Airlines | — | 2.4% | 0.9% | 0.4% | — |
| Southwest Airlines | 9:20 p.m. | 1.1% | 1.4% | 0.5% | first flight 6:15 a.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 (82%). Worst: July (70%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 910 | 73% | 1.3% |
| Tuesday | 801 | 76% | 1.1% |
| Wednesday | 804 | 79% | 0.4% |
| Thursday | 900 | 73% | 0.8% |
| Friday | 917 | 74% | 0.2% |
| Saturday | 882 | 69% | 2.8% |
| Sunday | 927 | 68% | 1.3% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 27 · airline 21 · air traffic/airport 21 · security 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 1233 | 5:01 a.m. | 319 | 90% | 1.9% | −6 min | JetBlue |
| F9 3506 | 5:01 a.m. | 170 | 68% | 1.8% | −3 min | Frontier Airlines |
| F9 2250 | 6:00 a.m. | 254 | 85% | 1.2% | −9 min | Frontier Airlines |
| B6 2133 | 6:15 a.m. | 321 | 74% | 2.2% | −3 min | JetBlue |
| F9 1824 | 1:44 p.m. | 285 | 77% | 1.4% | −8 min | Frontier Airlines |
| B6 1133 | 1:55 p.m. | 352 | 71% | 0.9% | +1 min | JetBlue |
| B6 1033 | 5:00 p.m. | 309 | 69% | 1.6% | −1 min | JetBlue |
| B6 133 | 5:55 p.m. | 180 | 84% | 0.6% | −4 min | JetBlue |
| F9 1746 | 8:25 p.m. | 202 | 69% | 1.5% | −2 min | Frontier Airlines |
| B6 1433 | 8:45 p.m. | 153 | 57% | 0.7% | +4 min | JetBlue |
| F9 4726 | 11:00 p.m. | 343 | 77% | 1.2% | −7 min | Frontier Airlines |
| B6 433 | 11:05 p.m. | 140 | 71% | 1.4% | −4 min | JetBlue |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Jan 3, 2026 | 19 | 0% | 17 |
| Apr 6, 2026 | 16 | 13% | 1 |
| Jan 5, 2026 | 19 | 16% | 0 |
| Mar 17, 2026 | 17 | 18% | 1 |
| Mar 16, 2026 | 16 | 25% | 3 |
Questions
How often are flights from MCO to SJU on time?
73% of 6,141 scheduled flights from Orlando, FL to San Juan, PR arrived within 15 minutes of schedule between September 2025 and August 2026. 1.1% were cancelled.
What is the best time of day to fly MCO to SJU?
Flights scheduled to leave at 6 a.m. were the most reliable (91% on time). The 9 p.m. departures were the least (43%).
Which airline is most on time from MCO to SJU?
Frontier Airlines: 75% of its 1,350 flights on the route arrived on time. JetBlue: 74%. Southwest Airlines: 69%. Spirit Airlines: 75%.
What month has the most delays from MCO to SJU?
July (70% on time). The best month is November (82%), over 2023–2026.
Is the last flight of the day from MCO to SJU more likely to be cancelled?
Not much. Each airline's last MCO–SJU flight of the day was cancelled 1.3% of the time over the past year, against 1.1% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.
Related
- SJU → MCO (return)
- Orlando (MCO) delays by hour
- Flights into San Juan (SJU)
- JetBlue on-time record
- Southwest Airlines on-time record
- Frontier Airlines on-time record
- Spirit 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.