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Airport · 12 months to July 2026
Dane County Regional-Truax Field: delays and on-time record
Madison, Wisconsin
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. Data through July 2026; this is a monthly history, not live airport status.
Reporting carriers scheduled 14,127 domestic departures from Dane County Regional-Truax Field (MSN), Madison, in the 12 months to July 2026: about 39 a day to 21 destinations.
79.6% of those flights left the gate less than 15 minutes late, 3.5 points above the national departure figure of 76.1%. Flights arriving at MSN were on time 72.4% of the time, 3.6 points below the national arrival figure of 76.0%.
2.9% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 19.7 min.
SkyWest Airlines is the largest reporting carrier at MSN with 20% of departures. Among carriers with at least 141 departures, Delta Air Lines had the highest on-time arrival share for its MSN departures (87.3%) and Frontier Airlines the lowest (67.7%).
On-time departures are down 3.2 points on the previous 12 months (82.8%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving MSN, air carrier 39%, late-arriving aircraft 33% and national aviation system 19%.
- On time 76.5%
- Arrived 15+ minutes late 20.3%
- Cancelled 2.9%
- Diverted 0.3%
As origin and as destination, against the nation
| Measure | Departures from MSN | Arrivals at MSN | All reported flights | MSN departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 79.6% | 73.4% | 76.1% | 82.8% |
| Arrived on time | 76.5% | 72.4% | 76.0% | 80.0% |
| Cancelled | 2.9% | 2.8% | 1.8% | 1.1% |
| Diverted | 0.3% | 0.2% | 0.3% | 0.4% |
| Average departure delay (late minutes only) | 19.7 min | 20.5 min | 17.4 min | 15.2 min |
| Arrival delay minutes per 100 flights | 2,046 | 2,032 | 1,684 | 1,602 |
| Scheduled flights | 14,127 | 14,134 | 7,043,858 | 12,027 |
12 months to July 2026. The first column follows flights that left MSN; the second follows flights that landed there. Year on year, on-time departures moved −3.2 pts.
Airlines at MSN
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| OO SkyWest Airlines | 2,878 | 20% | 72.6% | 18.4 min | 2.7% |
| YX Republic Airline | 2,260 | 16% | 76.5% | 5.1 min | 4.2% |
| AA American Airlines | 2,231 | 16% | 77.3% | 14.1 min | 1.7% |
| OH PSA Airlines | 1,860 | 13% | 71.7% | 15.9 min | 5.1% |
| UA United Airlines | 1,833 | 13% | 77.0% | 7.7 min | 1.6% |
| DL Delta Air Lines | 1,724 | 12% | 87.3% | -6.5 min | 1.8% |
| MQ Envoy Air | 1,183 | 8% | 77.1% | 4.1 min | 3.6% |
| F9 Frontier Airlines | 158 | 1% | 67.7% | 18.7 min | 3.2% |
Departures from MSN by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 76.5%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from MSN
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MSN–ORD | Madison to Chicago | 4,103 | 69.8% | 17.3 min | 3.9% |
| MSN–DCA | Madison to Washington | 1,213 | 69.6% | 16.6 min | 4.7% |
| MSN–MSP | Madison to Minneapolis | 1,134 | 82.3% | 3.4 min | 1.1% |
| MSN–DEN | Madison to Denver | 1,099 | 80.4% | 6.1 min | 0.7% |
| MSN–DFW | Madison to Dallas/Fort Worth | 1,093 | 71.9% | 22.2 min | 2.1% |
| MSN–ATL | Madison to Atlanta | 1,029 | 87.9% | -10.1 min | 2.1% |
| MSN–CLT | Madison to Charlotte | 1,013 | 82.4% | 1.6 min | 1.9% |
| MSN–LGA | Madison to New York | 914 | 80.2% | -1.8 min | 5.4% |
| MSN–DTW | Madison to Detroit | 902 | 81.5% | 9.6 min | 0.8% |
| MSN–PHX | Madison to Phoenix | 592 | 79.2% | 13.6 min | 1.0% |
| MSN–PHL | Madison to Philadelphia | 450 | 78.0% | 3.3 min | 5.8% |
| MSN–EWR | Madison to Newark | 435 | 84.4% | -0.5 min | 3.9% |
The 12 busiest of 21 routes with reported flights. Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 283 departures, 5 am to 6 am had the highest on-time share (89.0% of 824 flights) and 4 pm to 5 pm the lowest (68.5% of 648).
Delay causes
Cancellations by reported reason (412 in the period): air carrier 13%, weather 65%, national aviation system 22%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for MSN on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave MSN on time?
79.6% of the 14,127 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 2.9% were cancelled.
How often do flights arrive at MSN on time?
72.4% of 14,134 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at MSN?
Counting departures from MSN and whether they reached their destination on time, Delta Air Lines had the highest share (87.3% of 1,724 flights), then American Airlines (77.3%) and Envoy Air (77.1%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at MSN?
For departures from MSN that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: air carrier 39%, late-arriving aircraft 33%, national aviation system 19%, extreme weather 9%, security 0%.
What time of day has the highest on-time share at MSN?
Departures scheduled from 5 am to 6 am local time left on time 89.0% of the time, the highest of any hour with enough flights to compare; 4 pm to 5 pm was lowest at 68.5%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 79.6%, down 3.2 points on the previous 12 months (82.8%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at MSN?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.