ON TIMEBOARD

TPA → SJU on time

Tampa (Tampa, FL) to San Juan (San Juan, PR). Every scheduled flight, September 2025 to August 2026.

On time
71%
arrived < 15 min late
Cancelled
1.8%
1,561 flights
Typical arrival
+1 min
median vs schedule
When late
+76 min
average delay
Flights / day
4
4 airlines

71% of flights from Tampa 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 92% of the time; the 8 p.m. ones 53%. Most reliable airline: JetBlue (75%). 12% 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 TPA → SJU: when a flight was late, it was under 45 minutes late 50% of the time. About 1 in 10 flights landed an hour or more late, and 1 in 46 three hours or more; 1.8% were cancelled outright.

Share of all 1,561 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
JetBlue68075%1.6%−1 min9.7%+81 minJetBlue
Southwest Airlines47066%0.4%+6 min8.7%+52 minSouthwest Airlines
Frontier Airlines36072%2.2%−3 min13.9%+109 minFrontier Airlines
Spirit Airlines51—————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 TPA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: too few flights (38 flights)5a6 a.m. departures: 92% on time (205 flights)926a7 a.m. departures: too few flights (44 flights)7a8 a.m. departures: too few flights (49 flights)8a9 a.m. departures: too few flights (38 flights)9a10 a.m. departures: too few flights (97 flights)10a11 a.m. departures: 77% on time (130 flights)7711anoon departures: too few flights (78 flights)12p1 p.m. departures: too few flights (63 flights)1p2 p.m. departures: too few flights (78 flights)2p3 p.m. departures: too few flights (63 flights)3p4 p.m. departures: too few flights (16 flights)4p5 p.m. departures: 70% on time (117 flights)705p6 p.m. departures: too few flights (75 flights)6p7 p.m. departures: too few flights (48 flights)7p8 p.m. departures: 53% on time (231 flights)538p9 p.m. departures: 61% on time (165 flights)619p10 p.m. departures: too few flights (26 flights)10p
TPA → SJU, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsJetBlueSouthwest Airlines
6 a.m.92%—
8 p.m.—41%

Last flight of the day

On TPA → SJU, each airline's last flight of the day was cancelled 2.6% of the time, against 1.7% for its earlier flights (1.5× as often). It arrived 3+ hours late 2.4% of the time (earlier flights: 2.1%). 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.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
JetBlue9:07 p.m.3.0%2.2%1.3%first flight 10:25 a.m.
Southwest Airlines8:35 p.m.0.9%0.9%0.9%first flight 6:35 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.

If you need to be in SJU tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: September (86%). Worst: August (68%).

40%70%100%Jan: 80% on time (382 flights)80JanFeb: 81% on time (321 flights)81FebMar: 74% on time (439 flights)74MarApr: 79% on time (358 flights)79AprMay: 77% on time (371 flights)77MayJun: 74% on time (472 flights)74JunJul: 68% on time (502 flights)68JulAug: 68% on time (399 flights)68AugSep: 86% on time (279 flights)86SepOct: 72% on time (292 flights)72OctNov: 84% on time (384 flights)84NovDec: 78% on time (448 flights)78Dec

By day of week

DayFlightsOn timeCancelled
Monday23670%2.5%
Tuesday19480%0.5%
Wednesday19276%1.0%
Thursday21967%1.4%
Friday23171%1.3%
Saturday25072%3.2%
Sunday23965%2.1%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 61%Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 5%Severe weather 1%

Cancellations: airline 12 · weather 12 · air traffic/airport 4

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 85% on time, 1.0% cancelledOct 2023: 73% on time, 0.9% cancelledNov 2023: 88% on time, 0.0% cancelledDec 2023: 84% on time, 0.0% cancelledJan 2024: 81% on time, 0.0% cancelledFeb 2024: 94% on time, 0.0% cancelledMar 2024: 78% on time, 1.4% cancelledApr 2024: 84% on time, 1.6% cancelledMay 2024: 81% on time, 0.0% cancelledJun 2024: 73% on time, 0.6% cancelledJul 2024: 71% on time, 0.0% cancelledAug 2024: 75% on time, 3.1% cancelledNov 2024: 87% on time, 0.0% cancelledDec 2024: 76% on time, 0.0% cancelledJan 2025: 79% on time, 0.0% cancelledFeb 2025: 71% on time, 0.8% cancelledMar 2025: 77% on time, 0.7% cancelledApr 2025: 79% on time, 0.0% cancelledMay 2025: 83% on time, 0.0% cancelledJun 2025: 75% on time, 0.0% cancelledJul 2025: 70% on time, 0.7% cancelledAug 2025: 66% on time, 1.8% cancelledNov 2025: 76% on time, 0.0% cancelledDec 2025: 73% on time, 2.1% cancelledJan 2026: 80% on time, 6.1% cancelledMar 2026: 68% on time, 3.3% cancelledApr 2026: 75% on time, 1.6% cancelledMay 2026: 66% on time, 0.0% cancelledJun 2026: 74% on time, 0.6% cancelledJul 2026: 63% on time, 2.1% cancelledAug 2026: 63% on time, 3.2% cancelled
Share of flights on time, by month (hover a point for cancellations)
TPA → SJU, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
B6 175110:10 a.m.26376%1.5%−2 minJetBlue
F9 22169:35 p.m.19671%1.5%−2 minFrontier Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Jan 3, 202660%6
May 17, 202640%0
May 1, 202640%0
May 18, 202630%0
Oct 18, 202530%0

Questions

How often are flights from TPA to SJU on time?

71% of 1,561 scheduled flights from Tampa, FL to San Juan, PR arrived within 15 minutes of schedule between September 2025 and August 2026. 1.8% were cancelled.

What is the best time of day to fly TPA to SJU?

Flights scheduled to leave at 6 a.m. were the most reliable (92% on time). The 8 p.m. departures were the least (53%).

Which airline is most on time from TPA to SJU?

JetBlue: 75% of its 680 flights on the route arrived on time. Southwest Airlines: 66%. Frontier Airlines: 72%.

What month has the most delays from TPA to SJU?

August (68% on time). The best month is September (86%), over 2023–2026.

Is the last flight of the day from TPA to SJU more likely to be cancelled?

Yes. Each airline's last TPA–SJU flight of the day was cancelled 2.6% of the time over the past year, against 1.7% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

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.