Best Time to Fly MSP to ATY: On-Time Stats by Hour & Airline
Minneapolis-St Paul International → Watertown Regional
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 88.0% of Minneapolis (MSP) to Watertown (ATY) flights arrived on time (365 scheduled flights). That is 10.4 points above the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (100% on time) and Tuesday the weakest day of the week (82%).
1.6% of flights were cancelled, versus 1.8% nationally.
MSP to ATY on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 88.0% | 201 min | 1.6% | 365 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSP to ATY
On-time arrival % by scheduled departure hour (local time), 365 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12pm–1pm | Limited data | 3 | |
| 6pm–7pm | 90.3% | 1.4% | 146 |
| 8pm–9pm | 86.0% | 1.6% | 190 |
| 9pm–10pm | Limited data | 26 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MSP to ATY
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 7 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 15 | ||
| Summer peak (Jun 15 - Aug 15) | 93.4% | +4.0 pts | 0.0% | 62 |
| All other days | 89.5% | — | 1.8% | 281 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).