Best Time to Fly MSP to PSC: On-Time Stats by Hour & Airline
Minneapolis-St Paul International → Tri Cities
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 69.2% of Minneapolis (MSP) to Pasco/Kennewick/Richland (PSC) flights arrived on time (365 scheduled flights). That is 8.5 points below the national average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 72.4%, while SkyWest Airlines trailed at 62.5%.
September has been the best month (88% on time) and Thursday the weakest day of the week (66%).
0.3% of flights were cancelled, versus 1.8% nationally.
MSP to PSC 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 |
|---|---|---|---|---|
| Delta Air Lines | 72.4% | 69 min | 0.0% | 244 |
| SkyWest Airlines | 62.5% | 78 min | 0.8% | 121 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSP to PSC
On-time arrival % by scheduled departure hour (local time), 730 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 4pm–5pm | Limited data | 1 | |
| 6pm–7pm | 74.2% | 0.1% | 669 |
| 7pm–8pm | Limited data | 21 | |
| 9pm–10pm | 74.4% | 0.0% | 39 |
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 PSC
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 | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 60.0% | -16.2 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 65.3% | -10.9 pts | 0.0% | 124 |
| All other days | 76.2% | — | 0.2% | 562 |
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).