Minneapolis (MSP) to Portland (PDX): On-Time Performance
Data through May 2026
The calendar drives reliability on MSP–PDX. September 2024 flights landed on schedule 96% of the time, but December 2025 dropped to 48% — a gap of 47 points. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 75%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 4.1
- last 12 months
- Duration
- 3h 41m
- scheduled
- Distance
- 1,426 mi
Best airline from MSP to PDX
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlinesmost reliable | 83% | 12 min | 1.3% | 153 |
| Delta Air Lines | 82% | 11 min | 0.6% | 2,602 |
Monthly on-time trend
Best time to fly from MSP to PDX
Aim for departures around 9 a.m. (90% on-time); avoid 9 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 13 min |
| Tuesday | 84% | 9 min |
| Wednesday | 83% | 10 min |
| Thursday | 80% | 13 min |
| Friday | 82% | 12 min |
| Saturdaybest | 86% | 9 min |
| Sunday | 81% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft24%
- Airline operations54%
- National airspace system18%
- Weather5%
Frequently asked questions
- How often are flights from MSP to PDX delayed?
- 18% of MSP–PDX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- Which airline is most reliable from MSP to PDX?
- Alaska Airlines has the best on-time record on this route at 83%, based on 153 flights. 2 airlines flew MSP–PDX frequently enough to compare in this period.
- What is the best time of day to fly from MSP to PDX?
- Departures around 9 a.m. have the best record (90% on-time), while departures around 9 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MSP to PDX?
- The scheduled MSP–PDX flight time averages 3h 41m over 1,426 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are MSP to PDX flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from MSP to PDX?
- December 2025 was the roughest month in this dataset, with only 48% of arrivals on time. The best was September 2024 at 96%. If your dates are flexible, that 47-point gap is worth planning around.
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Based on 2,755 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.