ON TIMEBOARD
SDF Louisville / TPA Tampa

SDF → TPA on time

Louisville Muhammad Ali (Louisville, KY) to Tampa (Tampa, FL). Every scheduled flight, September 2025 to August 2026.

On time
80%
arrived < 15 min late
Cancelled
2.0%
405 flights
Typical arrival
−5 min
median vs schedule
When late
+47 min
average delay
Flights / day
1
1 airline

80% of flights from Louisville to Tampa arrived on time over the past 12 months. That is about the typical U.S. route. 5% 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 SDF → TPA: when a flight was late, it was under 45 minutes late 66% of the time. About 1 in 31 flights landed an hour or more late, and 1 in 203 three hours or more; 2.0% were cancelled outright.

Share of all 405 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines40580%2.0%−5 min3.2%+47 minSouthwest 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 SDF). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: too few flights (20 flights)6a7 a.m. departures: too few flights (1 flights)7a8 a.m. departures: too few flights (5 flights)8a9 a.m. departures: too few flights (4 flights)9a10 a.m. departures: too few flights (45 flights)10a11 a.m. departures: too few flights (52 flights)11anoon departures: 85% on time (116 flights)8512p1 p.m. departures: too few flights (23 flights)1p2 p.m. departures: too few flights (5 flights)2p3 p.m. departures: too few flights (5 flights)3p4 p.m. departures: too few flights (63 flights)4p5 p.m. departures: too few flights (18 flights)5p6 p.m. departures: too few flights (35 flights)6p
SDF → TPA, 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 month

Each calendar month pooled over 2023–2026. Best: May (85%). Worst: March (76%).

40%70%100%Jan: too few flights (94 flights)JanFeb: too few flights (85 flights)FebMar: 76% on time (135 flights)76MarApr: 84% on time (126 flights)84AprMay: 85% on time (128 flights)85MayJun: 78% on time (129 flights)78JunJul: 77% on time (116 flights)77JulAug: too few flights (98 flights)AugSep: too few flights (93 flights)SepOct: 85% on time (118 flights)85OctNov: too few flights (97 flights)NovDec: 80% on time (101 flights)80Dec

By day of week

DayFlightsOn timeCancelled
Monday53——
Tuesday52——
Wednesday52——
Thursday52——
Friday52——
Saturday75——
Sunday69——

Why flights were late

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

Late inbound plane 66%Airline (crew, maintenance, ops) 22%Air traffic & airport (NAS) 12%Severe weather 1%

Cancellations: weather 3 · air traffic/airport 3 · airline 2

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Mar 14, 2026367%1
May 3, 20263100%0
Mar 21, 20263100%0
Apr 4, 20263100%0
Mar 7, 20263100%0

Questions

How often are flights from SDF to TPA on time?

80% of 405 scheduled flights from Louisville, KY to Tampa, FL arrived within 15 minutes of schedule between September 2025 and August 2026. 2.0% were cancelled.

What month has the most delays from SDF to TPA?

March (76% on time). The best month is May (85%), over 2023–2026.

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.