Best Time to Fly MSP to PDX: On-Time Stats by Hour & Airline
Minneapolis-St Paul International → Portland International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.8% of Minneapolis (MSP) to Portland (PDX) flights arrived on time (1,543 scheduled flights). That is 5.2 points above the national average of 77.6%.
Among 2 airlines, Alaska Airlines led with 83.9% on time and Delta Air Lines was last with 82.7%.
Over 24 months, Saturday was the most reliable day (88% on time) and December the worst month (66%).
The cancellation rate was 0.7% (US average 1.8%).
MSP to PDX 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 |
|---|---|---|---|---|
| Alaska Airlines | 83.9% | 64 min | 1.4% | 214 |
| Delta Air Lines | 82.7% | 52 min | 0.5% | 1,329 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSP to PDX
On-time arrival % by scheduled departure hour (local time), 2,824 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 1 | |
| 9am–10am | 91.1% | 0.4% | 466 |
| 10am–11am | Limited data | 1 | |
| 11am–12pm | 89.8% | 0.3% | 686 |
| 1pm–2pm | 72.5% | 2.4% | 82 |
| 2pm–3pm | 86.6% | 0.0% | 186 |
| 3pm–4pm | 81.3% | 0.2% | 456 |
| 4pm–5pm | Limited data | 5 | |
| 5pm–6pm | Limited data | 4 | |
| 6pm–7pm | 78.9% | 0.4% | 724 |
| 7pm–8pm | 87.7% | 0.0% | 57 |
| 9pm–10pm | 72.4% | 0.0% | 156 |
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 PDX
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) | 72.7% | -13.6 pts | 0.0% | 55 |
| Christmas & New Year (Dec 20 - Jan 3) | 61.4% | -25.0 pts | 2.9% | 104 |
| Summer peak (Jun 15 - Aug 15) | 81.8% | -4.5 pts | 0.3% | 636 |
| All other days | 86.4% | — | 0.2% | 2,029 |
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).