Mason City Municipal (MCW) Delays and On-Time Departures
Mason City, IA · ranked 260th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, Mason City (MCW) had 627 scheduled departures and 77.1% of them left on time (US average 77.4%).
That ranks 260th of 333 US airports tracked on this site, with 7.3% of departures cancelled.
April has been the best month (89% on time) and Friday the weakest day of the week (79%).
Best time of day to fly out of Mason City (MCW)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 86.4% | 3.7% | 107 |
| 10am–11am | 84.9% | 2.8% | 388 |
| 11am–12pm | Limited data | 2 | |
| 12pm–1pm | 91.1% | 4.8% | 83 |
| 1pm–2pm | Limited data | 30 | |
| 2pm–3pm | 80.5% | 7.9% | 89 |
| 6pm–7pm | 69.0% | 6.8% | 308 |
| 7pm–8pm | 78.3% | 6.9% | 247 |
Airlines at MCW ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| SkyWest Airlines | 77.1% | 68.7% | 7.3% | 627 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of MCW
On-time departures by day, 24 months.
Best month to fly out of MCW
On-time departures by month, 24 months.
Holiday travel at Mason City (MCW)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 24 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 85.7% | +4.0 pts | 20.8% | 53 |
| Summer peak (Jun 15 - Aug 15) | 70.7% | -10.9 pts | 4.2% | 214 |
| All other days | 81.7% | — | 4.3% | 963 |
Monthly on-time departure trend at MCW
On-time departure % each month, with the 12-month US average for reference.
Routes from Mason City (MCW)
Every route from MCW with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| MCW → Chicago (ORD) | 68.7% | 7.3% | 627 |