ON TIMEBOARD

AUS → MCI on time

Austin-Bergstrom (Austin, TX) to Kansas City (Kansas City, MO). Every scheduled flight, September 2025 to August 2026.

On time
75%
arrived < 15 min late
Cancelled
0.4%
1,048 flights
Typical arrival
−3 min
median vs schedule
When late
+62 min
average delay
Flights / day
3
2 airlines

75% of flights from Austin to Kansas City arrived on time over the past 12 months. That is worse than the typical U.S. route. The 7 a.m. departures ran on time 93% of the time; the 9 p.m. ones 51%. Most reliable airline: Delta Air Lines (83%). 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 → MCI: when a flight was late, it was under 45 minutes late 55% of the time. About 1 in 13 flights landed an hour or more late, and 1 in 81 three hours or more; 0.4% were cancelled outright.

Share of all 1,048 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines89574%0.4%−2 min7.4%+53 minSouthwest Airlines
Delta Air Lines15383%0.0%−8 min9.8%+134 minSkyWest

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%5 a.m. departures: too few flights (24 flights)5a6 a.m. departures: too few flights (93 flights)6a7 a.m. departures: 93% on time (151 flights)937a8 a.m. departures: too few flights (52 flights)8a9 a.m. departures: too few flights (89 flights)9a10 a.m. departures: too few flights (13 flights)10a11 a.m. departures: too few flights (5 flights)11anoon departures: too few flights (37 flights)12p1 p.m. departures: too few flights (37 flights)1p2 p.m. departures: too few flights (45 flights)2p3 p.m. departures: too few flights (91 flights)3p4 p.m. departures: too few flights (19 flights)4p5 p.m. departures: 63% on time (138 flights)635p6 p.m. departures: too few flights (12 flights)6p7 p.m. departures: too few flights (60 flights)7p8 p.m. departures: too few flights (53 flights)8p9 p.m. departures: 51% on time (106 flights)519p10 p.m. departures: too few flights (23 flights)10p
AUS → MCI, 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 Airlines
9 p.m.51%

Last flight of the day

On AUS → MCI, each airline's last flight of the day was cancelled 0.5% of the time, against 0.3% for its earlier flights (1.5× as often). It arrived 3+ hours late 1.2% of the time (earlier flights: 1.2%). 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 Airlines5:25 p.m.0.6%0.9%0.4%first flight 7:00 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 MCI tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: February (86%). Worst: July (74%).

40%70%100%Jan: 78% on time (194 flights)78JanFeb: 86% on time (165 flights)86FebMar: 75% on time (212 flights)75MarApr: 76% on time (236 flights)76AprMay: 76% on time (251 flights)76MayJun: 75% on time (267 flights)75JunJul: 74% on time (279 flights)74JulAug: 79% on time (276 flights)79AugSep: 83% on time (215 flights)83SepOct: 81% on time (252 flights)81OctNov: 76% on time (226 flights)76NovDec: 80% on time (238 flights)80Dec

By day of week

DayFlightsOn timeCancelled
Monday17373%0.0%
Tuesday14385%0.7%
Wednesday14084%0.0%
Thursday16671%0.0%
Friday17276%0.0%
Saturday89——
Sunday16567%1.8%

Why flights were late

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

Late inbound plane 48%Airline (crew, maintenance, ops) 37%Air traffic & airport (NAS) 13%Security 1%Severe weather 1%

Cancellations: airline 2 · weather 2

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Oct 2023: 80% on time, 1.0% cancelledJun 2026: 74% on time, 0.0% cancelledJul 2026: 76% on time, 0.7% cancelledAug 2026: 82% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
AUS → MCI, monthly on-time and cancellation rate.

Worst days in the past year

DateFlightsOn timeCancelled
Apr 2, 202630%0
Nov 10, 202530%0
Apr 27, 202630%0
Mar 12, 202630%0
Jul 19, 2026520%1

Questions

How often are flights from AUS to MCI on time?

75% of 1,048 scheduled flights from Austin, TX to Kansas City, MO arrived within 15 minutes of schedule between September 2025 and August 2026. 0.4% were cancelled.

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

Flights scheduled to leave at 7 a.m. were the most reliable (93% on time). The 9 p.m. departures were the least (51%).

Which airline is most on time from AUS to MCI?

Delta Air Lines: 83% of its 153 flights on the route arrived on time. Southwest Airlines: 74%.

What month has the most delays from AUS to MCI?

July (74% on time). The best month is February (86%), over 2023–2026.

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

Yes. Each airline's last AUS–MCI flight of the day was cancelled 0.5% of the time over the past year, against 0.3% 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.