San Juan (SJU) to Tampa (TPA): On-Time Performance
Data through May 2026
When you fly SJU to TPA matters as much as anything else about the booking: the route swung from 90% on-time in September 2025 to just 63% in August 2025. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 68%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 4.0
- last 12 months
- Duration
- 3h 12m
- scheduled
- Distance
- 1,237 mi
Best airline from SJU to TPA
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 82% | 12 min | 1.0% | 942 |
| JetBlue Airways | 76% | 19 min | 0.9% | 1,204 |
| Frontier Airlines | 74% | 23 min | 1.9% | 789 |
| Spirit Airlines | 60% | 23 min | 10.4% | 67 |
Monthly on-time trend
Best time to fly from SJU to TPA
Aim for departures around 6 a.m. (94% on-time); avoid 5 p.m. departures (62%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 20 min |
| Tuesdaybest | 81% | 20 min |
| Wednesday | 80% | 16 min |
| Thursday | 77% | 17 min |
| Friday | 78% | 15 min |
| Saturday | 75% | 18 min |
| Sunday | 74% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft60%
- Airline operations33%
- National airspace system8%
Frequently asked questions
- How often are flights from SJU to TPA delayed?
- 23% of SJU–TPA 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 18 minutes.
- Which airline is most reliable from SJU to TPA?
- Southwest Airlines has the best on-time record on this route at 82%, based on 942 flights. 4 airlines flew SJU–TPA frequently enough to compare in this period.
- What is the best time of day to fly from SJU to TPA?
- Departures around 6 a.m. have the best record (94% on-time), while departures around 5 p.m. have the worst (62%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SJU to TPA?
- The scheduled SJU–TPA flight time averages 3h 12m over 1,237 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are SJU to TPA flights cancelled?
- 1.4% 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 SJU to TPA?
- August 2025 was the roughest month in this dataset, with only 63% of arrivals on time. The best was September 2025 at 90%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 3,002 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.