Dane County Regional-Truax Field in August 2023

83.9%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In August 2023, reporting carriers scheduled 1,000 domestic departures from Dane County Regional-Truax Field (MSN). 83.9% left less than 15 minutes late and 84.1% reached their destination on time; 1.3% were cancelled.

Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so MSN departures were 7.2 points above the national departure figure.

Flights arriving at MSN that month were on time 78.5% of the time (1,001 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 47%, late-arriving aircraft 27% and extreme weather 17%.

On time 84.1%
Arrived 15+ minutes late 14.5%
Cancelled 1.3%
Diverted 0.1%

Every scheduled departure from MSN in August 2023, judged by arrival at the destination.

August 2023 against a year earlier, the airport's year and the nation

Measure	Aug 2023	Year earlier	MSN, 12 months to Jul 2026	All reported flights, Aug 2023
Departed on time	83.9%	—	79.6%	76.7%
Arrived on time	84.1%	—	76.5%	76.9%
Cancelled	1.3%	—	2.9%	1.5%
Average departure delay (late minutes only)	18.9 min	—	19.7 min	17.3 min
Scheduled departures a day	33	—	39	20,100
Scheduled departures	1,000	—	14,127	602,987

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	209	21%	87.6%	6.0 min	1.0%
AA American Airlines	207	21%	77.8%	34.7 min	1.0%
UA United Airlines	199	20%	84.4%	-0.3 min	2.5%
DL Delta Air Lines	195	20%	84.6%	-2.6 min	1.0%
YX Republic Airline	62	6%	91.9%	-11.5 min	3.2%
OH PSA Airlines	49	5%	87.8%	-7.4 min	0.0%
9E Endeavor Air	35	4%	88.6%	-6.3 min	0.0%
MQ Envoy Air	23	2%	73.9%	9.7 min	0.0%
F9 Frontier Airlines	21	2%	76.2%	16.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MSN–ORD	Madison to Chicago	188	82.4%	11.7 min	1.6%
MSN–MSP	Madison to Minneapolis	123	91.1%	-9.4 min	0.0%
MSN–DTW	Madison to Detroit	122	91.0%	0.3 min	0.8%
MSN–DEN	Madison to Denver	116	84.5%	-1.2 min	1.7%
MSN–DFW	Madison to Dallas/Fort Worth	95	77.9%	36.7 min	2.1%
MSN–CLT	Madison to Charlotte	93	86.0%	6.1 min	0.0%
MSN–ATL	Madison to Atlanta	90	77.8%	2.4 min	1.1%
MSN–DCA	Madison to Washington	60	88.3%	-12.7 min	1.7%
MSN–LGA	Madison to New York	33	93.9%	-13.4 min	3.0%
MSN–EWR	Madison to Newark	31	80.6%	3.1 min	6.5%
MSN–PHX	Madison to Phoenix	31	64.5%	98.5 min	0.0%
MSN–BOS	Madison to Boston	4	50.0%	22.5 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), August 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2023	Minutes
Air carrier	46.5%	36.7%	8,181
Late-arriving aircraft	26.7%	42.2%	4,693
National Aviation System	9.7%	15.7%	1,703
Extreme weather	17.1%	5.1%	3,005
Security	0.0%	0.2%	0

17,582 delay minutes on 145 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left MSN on time in August 2023?

83.9% of 1,000 scheduled domestic departures left less than 15 minutes late, and 84.1% reached their destination on time. The national figures that month were 76.7% and 76.9%.

How does that compare with a year earlier?

August 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MSN · methodology · corrections.