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Airport · MSN · Madison, Wisconsin

Madison, WI

Madison, WI posts below-median on-time performance among the 382 tracked U.S. airports, as a high-volume U.S. airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 127,239 flights (2020–2025); its biggest delay driver is carrier.

Data updated 2026-06-13

83.1%
On-time
Top 54%
on-time, US airports
85 min
Delay when late
1.09%
Cancelled

Key Performance Metrics

Total Flights

127,239

Best Month

Oct 94.5%

Worst Month

Dec 90.8%

Delayed

21,470

Cancelled

1,393

MSN on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%83.1%

Where MSN sits among all 382 tracked airports

MSN's 83.1% on-time rate falls in the 80-85% band, the 192-airport band it shares.

National on-time-rate distribution

airports

What this shows MSN is marked in the 80-85% band.

Delay Cause Breakdown

Top delay cause: Carrier. Total delay minutes: 912,197.

Late Aircraft 31.9% (290,791 min)
Carrier 42.7% (389,857 min)
NAS (National Aviation System) 17.2% (156,739 min)
Weather 8.1% (74,192 min)
Security 0.1% (618 min)

MSN - seasonal on-time pattern

Best: October (94.5%) · worst: December (90.8%)

90%91%92%93%94%95% JanFebMarAprMayJunJulAugSepOctNovDec 90.8%

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: October (94.5% on-time). Most delays: December (90.8% on-time).

Month Avg Flights Avg Delayed Avg Cancelled On-Time %
December 1,741 363 16 90.8%
November 1,813 263 13 93.8%
October 1,966 250 7 94.5%
September 1,833 242 7 94.2%
August 1,927 355 14 92.4%
July 1,730 367 19 91.3%
June 1,661 344 18 91.3%
May 1,596 285 11 92.3%
April 1,639 236 46 94.2%
March 1,939 285 41 93.8%
February 1,606 271 17 92.8%
January 1,757 318 25 91.9%

Year-Over-Year Performance

Annual flight volume and on-time trends at MSN.

MSN - on-time rate by year

2020–2025, year-over-year trend.

90%92%94%96%98% 202020212022202320242025 95.9% 91.4% ▼ -4.7%
Year Flights Delayed Cancelled On-Time %
2025 25,542 2,184 218 91.4%
2024 23,579 1,947 157 91.7%
2023 21,015 1,514 138 92.8%
2022 21,507 1,601 254 92.6%
2021 19,507 1,230 134 93.7%
2020 16,089 663 492 95.9%

Cancellation & Diversion Analysis

Flight disruption statistics for Madison, WI.

Cancellation Rate

1.09%

1,393 of 127,239 flights

Diversion Rate

0.11%

141 of 127,239 flights

Delay Rate

16.9%

21,470 of 127,239 flights

Monthly Performance

Recent 24 months of flight data.

Period Flights Dep Delayed Arr Delayed Cancelled Diverted
Dec 2025 2,055 257 365 32 3
Nov 2025 2,292 182 274 53 1
Oct 2025 2,611 178 268 6 1
Sep 2025 2,330 145 217 6 3
Aug 2025 2,276 203 264 14 5
Jul 2025 2,030 217 283 26 9
Jun 2025 2,072 216 313 16 6
May 2025 2,018 184 217 16 6
Apr 2025 2,103 141 205 6 4
Mar 2025 2,132 143 239 7 5
Feb 2025 1,696 168 261 13 3
Jan 2025 1,927 150 206 23 2
Dec 2024 1,877 202 246 6 2
Nov 2024 1,918 105 173 4 0
Oct 2024 2,059 89 130 4 0
Sep 2024 1,964 125 162 0 2
Aug 2024 2,257 198 322 9 5
Jul 2024 2,040 204 327 44 3
Jun 2024 2,103 221 320 13 6
May 2024 2,060 226 325 20 3
Apr 2024 2,031 157 234 9 2
Mar 2024 1,906 139 193 5 2
Feb 2024 1,690 88 121 2 1
Jan 2024 1,674 193 217 41 1

What the Data Says About MSN

Madison, WI in Madison, Wisconsin handled 127,239 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 83.1% on-time departure rate. Of those flights, 21,470 experienced delays, 1,393 were cancelled, and 141 were diverted. The cancellation rate works out to 1.09%, the diversion rate to 0.11%, and the average delay when departures run late is 85.4 minutes. These figures are the baseline for comparing MSN against other airports in the same state and nationally.

Breaking down what drives delays at MSN, Carrier leads the pack. Carrier accounts for 42.7% of total delay minutes, followed by Late Aircraft at 31.9% and NAS (National Aviation System) at 17.2%. Weather contributes 8.1% of delay minutes at this airport, while security holds the smallest share at 0.1%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, October runs the cleanest at MSN with a 94.5% on-time rate, while December is the roughest at 90.8% - a 4-point swing between best and worst month. Volume peaks in October, when average flights hit 1,966. The busiest route connecting MSN is to ORD (Chicago), with 12,602 flights at a 80.7% on-time rate. Combine these numbers - 83.1% on-time, 85.4-minute average delay, 1.09% cancellation rate, and you have a concrete picture of departure reliability at Madison, WI.

Frequently Asked Questions

What is the on-time performance rate at Madison, WI (MSN)?
Madison, WI has an overall on-time departure rate of 83.1%. Out of 127,239 total flights tracked, 21,470 experienced delays and 1,393 were cancelled.
What is the most common cause of delays at MSN?
The top delay cause at Madison, WI is Carrier. Carrier accounts for 42.7% of all delay minutes.
What is the average delay time at MSN?
The average delay at Madison, WI is 85.4 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.
What is the best month to fly from MSN?
Based on historical data, October has the best on-time performance at MSN with 94.5% of flights departing on time.
What is the worst month for delays at MSN?
December tends to have the most delays at MSN, with an on-time rate of only 90.8%.
How many routes operate from MSN?
Madison, WI serves at least 20 routes. The busiest route is MSN to ORD (Madison - Chicago) with 12,602 flights.
What is the cancellation rate at MSN?
Madison, WI has a cancellation rate of 1.09%, based on 1,393 cancelled flights out of 127,239 total flights tracked.

Explore PlainFlights

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Using MSN's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

  • Check the busiest route from MSN before you book a connection. See top routes
  • Travel in October rather than December if your dates are flexible. Seasonal patterns
  • Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.