ON TIMEBOARD
CMH Columbus / AUS Austin

CMH → AUS on time

John Glenn Columbus (Columbus, OH) to Austin-Bergstrom (Austin, TX). Every scheduled flight, September 2025 to August 2026.

On time
84%
arrived < 15 min late
Cancelled
0.7%
450 flights
Typical arrival
−8 min
median vs schedule
When late
+59 min
average delay
Flights / day
1
2 airlines

84% of flights from Columbus to Austin arrived on time over the past 12 months. That is better than 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 CMH → AUS: when a flight was late, it was under 45 minutes late 61% of the time. About 1 in 23 flights landed an hour or more late, and 1 in 90 three hours or more; 0.7% were cancelled outright.

Share of all 450 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines36883%0.3%−7 min4.3%+53 minSouthwest Airlines
Delta Air Lines82—————SkyWest

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

40%70%100%10 a.m. departures: too few flights (52 flights)10a11 a.m. departures: too few flights (23 flights)11anoon departures: too few flights (61 flights)12p1 p.m. departures: too few flights (73 flights)1p2 p.m. departures: too few flights (64 flights)2p3 p.m. departures: too few flights (7 flights)3p4 p.m. departures: too few flights (68 flights)4p5 p.m. departures: too few flights (45 flights)5p
CMH → AUS, 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: August (85%). Worst: July (75%).

40%70%100%Jan: too few flights (83 flights)JanFeb: too few flights (78 flights)FebMar: too few flights (92 flights)MarApr: too few flights (90 flights)AprMay: too few flights (91 flights)MayJun: 79% on time (115 flights)79JunJul: 75% on time (124 flights)75JulAug: 85% on time (142 flights)85AugSep: too few flights (89 flights)SepOct: too few flights (93 flights)OctNov: too few flights (86 flights)NovDec: too few flights (91 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday70——
Tuesday64——
Wednesday64——
Thursday68——
Friday68——
Saturday47——
Sunday69——

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) 35%Air traffic & airport (NAS) 19%Severe weather 1%

Cancellations: weather 2 · airline 1

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Aug 10, 202630%1
Aug 17, 2026367%0
Aug 7, 2026367%0
Aug 6, 2026367%0
Aug 20, 2026367%0

Questions

How often are flights from CMH to AUS on time?

84% of 450 scheduled flights from Columbus, OH to Austin, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 0.7% were cancelled.

What month has the most delays from CMH to AUS?

July (75% on time). The best month is August (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.