Seattle (SEA) to Medford (MFR): On-Time Performance
Data through July 2026
When you fly SEA to MFR matters as much as anything else about the booking: the route swung from 97% on-time in September 2025 to just 81% in December 2024. Across the full period the route averages 88% on-time against a national 78%.
- On-time
- 88%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 3.5
- last 12 months
- Duration
- 1h 32m
- scheduled
- Distance
- 352 mi
Monthly on-time trend
Best time to fly from SEA to MFR
Aim for departures around 2 p.m. (94% on-time); avoid 11 a.m. departures (82%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 89% | 7 min |
| Tuesdaybest | 92% | 6 min |
| Wednesday | 89% | 9 min |
| Thursday | 87% | 9 min |
| Friday | 86% | 10 min |
| Saturday | 86% | 10 min |
| Sunday | 85% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft5%
- Airline operations45%
- National airspace system12%
- Weather38%
Frequently asked questions
- How often are flights from SEA to MFR delayed?
- 12% of SEA–MFR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 9 minutes.
- What is the best time of day to fly from SEA to MFR?
- Departures around 2 p.m. have the best record (94% on-time), while departures around 11 a.m. have the worst (82%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SEA to MFR?
- The scheduled SEA–MFR flight time averages 1h 32m over 352 miles. Actual arrival times vary — flights on this route land 15+ minutes late 12% of the time.
- How often are SEA to MFR flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SEA to MFR?
- December 2024 was the roughest month in this dataset, with only 81% of arrivals on time. The best was September 2025 at 97%. If your dates are flexible, that 16-point gap is worth planning around.
Explore related pages
More routes from SEA
Other ways to fly to Medford (MFR)
Related guides
Based on 2,372 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.