ON TIMEBOARD
AUS Austin / JAX Jacksonville

AUS → JAX on time

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

On time
80%
arrived < 15 min late
Cancelled
0.7%
673 flights
Typical arrival
−7 min
median vs schedule
When late
+72 min
average delay
Flights / day
2
2 airlines

80% of flights from Austin to Jacksonville arrived on time over the past 12 months. That is about the typical U.S. route. Most reliable airline: Delta Air Lines (84%). 8% 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 → JAX: when a flight was late, it was under 45 minutes late 54% of the time. About 1 in 16 flights landed an hour or more late, and 1 in 61 three hours or more; 0.7% were cancelled outright.

Share of all 673 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines36184%1.1%−14 min8.0%+114 minSkyWest
Southwest Airlines31276%0.3%+1 min4.5%+44 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 AUS). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%10 a.m. departures: 85% on time (375 flights)8510a11 a.m. departures: too few flights (42 flights)11anoon departures: too few flights (32 flights)12p1 p.m. departures: too few flights (56 flights)1p2 p.m. departures: too few flights (63 flights)2p3 p.m. departures: too few flights (80 flights)3p
AUS → JAX, 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

DepartsDelta Air Lines
10 a.m.84%

By month

Each calendar month pooled over 2023–2026.

40%70%100%Jan: too few flights (65 flights)JanFeb: too few flights (55 flights)FebMar: too few flights (62 flights)MarApr: too few flights (57 flights)AprMay: too few flights (82 flights)MayJun: too few flights (90 flights)JunJul: too few flights (93 flights)JulAug: too few flights (85 flights)AugSep: too few flights (58 flights)SepOct: too few flights (88 flights)OctNov: too few flights (82 flights)NovDec: too few flights (85 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday10180%2.0%
Tuesday99——
Wednesday99——
Thursday10077%0.0%
Friday10079%0.0%
Saturday74——
Sunday10079%1.0%

Why flights were late

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

Airline (crew, maintenance, ops) 66%Late inbound plane 15%Air traffic & airport (NAS) 15%Severe weather 3%

Cancellations: weather 4 · air traffic/airport 1

Month by month

Not enough months with data to draw a trend.

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 377210:05 a.m.34584%1.2%−14 minSkyWest

Questions

How often are flights from AUS to JAX on time?

80% of 673 scheduled flights from Austin, TX to Jacksonville, FL arrived within 15 minutes of schedule between September 2025 and August 2026. 0.7% were cancelled.

Which airline is most on time from AUS to JAX?

Delta Air Lines: 84% of its 361 flights on the route arrived on time. Southwest Airlines: 76%.

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.