FlightRecord

Seattle (SEA) to Medford (MFR): On-Time Performance

Data through May 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 80% in June 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
1.4%
Flights/day
3.3
last 12 months
Duration
1h 32m
scheduled
Distance
352 mi

Monthly on-time trend

Monthly on-time percentage for SEA to MFR flights50%75%100%June 2024: 80% on-time (85 flights)80Jun 2024July 2024: 91% on-time (85 flights)91August 2024: 86% on-time (83 flights)86September 2024: 81% on-time (80 flights)81Sep 2024October 2024: 86% on-time (84 flights)86November 2024: 90% on-time (77 flights)90December 2024: 81% on-time (78 flights)81Dec 2024January 2025: 88% on-time (84 flights)88February 2025: 85% on-time (78 flights)85March 2025: 90% on-time (88 flights)90Mar 2025April 2025: 94% on-time (86 flights)94May 2025: 91% on-time (93 flights)91June 2025: 92% on-time (90 flights)92Jun 2025July 2025: 88% on-time (92 flights)88August 2025: 93% on-time (91 flights)93September 2025: 97% on-time (90 flights)97Sep 2025October 2025: 95% on-time (96 flights)95November 2025: 85% on-time (98 flights)85December 2025: 83% on-time (97 flights)83Dec 2025January 2026: 83% on-time (101 flights)83February 2026: 88% on-time (95 flights)88March 2026: 85% on-time (115 flights)85Mar 2026April 2026: 93% on-time (108 flights)93May 2026: 82% on-time (131 flights)82

Best time to fly from SEA to MFR

Aim for departures around 2 p.m. (94% on-time); avoid 5 p.m. departures (79%).

On-time percentage by scheduled departure hour, SEA to MFR9 a.m.: 86% on-time (553 flights)910 a.m.: 90% on-time (87 flights)1011 a.m.: 83% on-time (98 flights)1112 p.m.: 84% on-time (21 flights)121 p.m.: 93% on-time (30 flights)132 p.m.: 94% on-time (32 flights)143 p.m.: 90% on-time (628 flights)155 p.m.: 79% on-time (67 flights)177 p.m.: 91% on-time (34 flights)199 p.m.: 89% on-time (574 flights)2110 p.m.: 83% on-time (75 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday89%7 min
Tuesdaybest93%6 min
Wednesday90%9 min
Thursday89%7 min
Friday85%12 min
Saturday84%11 min
Sunday85%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 aircraft4%
  • Airline operations48%
  • National airspace system11%
  • Weather37%

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 2024-06 and 2026-05. 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 5 p.m. have the worst (79%). 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?
1.4% 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 SEA to MFR?
June 2024 was the roughest month in this dataset, with only 80% of arrivals on time. The best was September 2025 at 97%. If your dates are flexible, that 17-point gap is worth planning around.

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Based on 2,205 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.