ON TIMEBOARD

AUS → TPA on time

Austin-Bergstrom (Austin, TX) to Tampa (Tampa, FL). Every scheduled flight, September 2025 to August 2026.

On time
75%
arrived < 15 min late
Cancelled
0.6%
1,555 flights
Typical arrival
−4 min
median vs schedule
When late
+61 min
average delay
Flights / day
4
2 airlines

75% of flights from Austin to Tampa arrived on time over the past 12 months. That is worse than the typical U.S. route. The 8 a.m. departures ran on time 87% of the time; the 4 p.m. ones 45%. Most reliable airline: Delta Air Lines (81%). 10% 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 AUS → TPA: when a flight was late, it was under 45 minutes late 54% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 120 three hours or more; 0.6% were cancelled outright.

Share of all 1,555 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines1,13872%0.4%−2 min9.1%+58 minSouthwest Airlines
Delta Air Lines41781%1.2%−10 min7.9%+71 minDelta Air Lines 88%, SkyWest 12%

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 AUS). Delays build through the day as late planes knock on, so early flights usually do best.

30%65%100%5 a.m. departures: too few flights (82 flights)5a6 a.m. departures: too few flights (56 flights)6a7 a.m. departures: 81% on time (168 flights)817a8 a.m. departures: 87% on time (386 flights)878a9 a.m. departures: too few flights (26 flights)9a10 a.m. departures: too few flights (27 flights)10a11 a.m. departures: too few flights (63 flights)11anoon departures: too few flights (43 flights)12p1 p.m. departures: too few flights (27 flights)1p2 p.m. departures: 74% on time (131 flights)742p3 p.m. departures: too few flights (52 flights)3p4 p.m. departures: 45% on time (118 flights)454p5 p.m. departures: 50% on time (115 flights)505p6 p.m. departures: too few flights (40 flights)6p7 p.m. departures: too few flights (96 flights)7p8 p.m. departures: too few flights (83 flights)8p9 p.m. departures: too few flights (42 flights)9p
AUS → 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 airline and hour

DepartsSouthwest AirlinesDelta Air Lines
7 a.m.—77%
8 a.m.93%84%
4 p.m.45%—
5 p.m.50%—

Last flight of the day

On AUS → TPA, each airline's last flight of the day was cancelled 0.5% of the time, against 0.5% for its earlier flights, about the same. It arrived 3+ hours late 1.3% of the time (earlier flights: 0.7%). 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
Southwest Airlines7:40 p.m.0.6%1.2%0.4%first flight 8:25 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: September (83%). Worst: July (65%).

40%70%100%Jan: 79% on time (307 flights)79JanFeb: 83% on time (286 flights)83FebMar: 70% on time (353 flights)70MarApr: 78% on time (313 flights)78AprMay: 71% on time (307 flights)71MayJun: 74% on time (297 flights)74JunJul: 65% on time (329 flights)65JulAug: 72% on time (313 flights)72AugSep: 83% on time (279 flights)83SepOct: 75% on time (339 flights)75OctNov: 75% on time (333 flights)75NovDec: 76% on time (350 flights)76Dec

By day of week

DayFlightsOn timeCancelled
Monday25271%2.4%
Tuesday21686%0.5%
Wednesday21383%0.0%
Thursday24673%0.0%
Friday25070%0.4%
Saturday15276%0.0%
Sunday22666%0.9%

Why flights were late

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

Late inbound plane 45%Airline (crew, maintenance, ops) 40%Air traffic & airport (NAS) 14%Security 1%

Cancellations: airline 4 · weather 3 · air traffic/airport 3

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 77% on time, 0.0% cancelledOct 2023: 72% on time, 0.0% cancelledNov 2023: 78% on time, 0.0% cancelledDec 2023: 78% on time, 0.0% cancelledJan 2024: 74% on time, 0.0% cancelledJun 2025: 73% on time, 0.0% cancelledJul 2025: 68% on time, 0.0% cancelledAug 2025: 71% on time, 0.0% cancelledSep 2025: 90% on time, 0.0% cancelledOct 2025: 76% on time, 0.0% cancelledNov 2025: 69% on time, 1.5% cancelledDec 2025: 74% on time, 0.0% cancelledJan 2026: 79% on time, 1.6% cancelledFeb 2026: 83% on time, 0.0% cancelledMar 2026: 66% on time, 2.5% cancelledApr 2026: 80% on time, 0.0% cancelledMay 2026: 74% on time, 0.0% cancelledJun 2026: 79% on time, 0.0% cancelledJul 2026: 65% on time, 0.8% cancelledAug 2026: 67% on time, 0.8% cancelled
Share of flights on time, by month (hover a point for cancellations)
AUS → TPA, 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
DL 4878:35 a.m.21483%1.4%−12 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Jan 25, 202650%2
Jun 15, 202640%0
Apr 2, 2026617%0
Mar 16, 2026617%4
Nov 21, 2025520%0

Questions

How often are flights from AUS to TPA on time?

75% of 1,555 scheduled flights from Austin, TX to Tampa, FL arrived within 15 minutes of schedule between September 2025 and August 2026. 0.6% were cancelled.

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

Flights scheduled to leave at 8 a.m. were the most reliable (87% on time). The 4 p.m. departures were the least (45%).

Which airline is most on time from AUS to TPA?

Delta Air Lines: 81% of its 417 flights on the route arrived on time. Southwest Airlines: 72%.

What month has the most delays from AUS to TPA?

July (65% on time). The best month is September (83%), over 2023–2026.

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

Not much. Each airline's last AUS–TPA flight of the day was cancelled 0.5% of the time over the past year, against 0.5% 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.