Route · MFR → SEA · 2020–2025 BTS data
Medford to Seattle
The MFR–SEA corridor (Medford, OR → Seattle, WA) runs ahead of the national average, served by 3 carriers across roughly 352 miles.
Data updated 2026-06-13
- 90.3%
- On-time
- +11.3 pts
- vs US avg
- 88 min
- Delay when late
- 9,868
- Flights
Cancelled
1.4%
Best Month
Sep 2025 99%
Worst Month
Jun 2024 82%
Distance
352 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 97 | 9 | 1 | 0 | OO |
| Nov 2025 | 99 | 9 | 6 | 0 | OO |
| Oct 2025 | 96 | 7 | 0 | 0 | OO |
| Sep 2025 | 90 | 1 | 0 | 0 | OO |
| Aug 2025 | 91 | 6 | 0 | 0 | OO |
| Jul 2025 | 92 | 7 | 0 | 0 | OO |
| Jun 2025 | 90 | 8 | 0 | 1 | OO |
| May 2025 | 93 | 2 | 0 | 0 | OO |
| Apr 2025 | 86 | 4 | 0 | 0 | OO |
| Mar 2025 | 88 | 1 | 0 | 0 | OO |
| Feb 2025 | 78 | 12 | 4 | 0 | OO |
| Jan 2025 | 84 | 11 | 9 | 1 | OO |
| Dec 2024 | 78 | 11 | 6 | 0 | OO |
| Nov 2024 | 77 | 8 | 0 | 0 | OO |
| Oct 2024 | 84 | 10 | 0 | 0 | OO |
| Sep 2024 | 80 | 14 | 0 | 0 | OO |
| Aug 2024 | 83 | 6 | 0 | 0 | OO |
| Jul 2024 | 85 | 9 | 0 | 0 | OO |
| Jun 2024 | 85 | 15 | 0 | 0 | OO |
| May 2024 | 88 | 11 | 1 | 0 | OO |
| Apr 2024 | 86 | 7 | 0 | 0 | OO |
| Mar 2024 | 88 | 5 | 0 | 0 | OO |
| Feb 2024 | 81 | 6 | 0 | 0 | OO |
| Jan 2024 | 81 | 13 | 2 | 0 | OO |
Cancellation Rate
1.4%
29 of 2,080 flights
Diversion Rate
0.1%
2 of 2,080 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MFR - Medford
Full on-time, delay-cause, and seasonal performance for Medford, OR.
Origin airport →SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Destination airport →Compare the two airports
See MFR and SEA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MFR–SEA.
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What the Data Says About MFR to SEA
Medford to Seattle (MFR to SEA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 90.3% on-time rate across 9,868 flights, with delays that do happen averaging 87.6 minutes. The corridor runs roughly 352 miles and is served by 3 carriers. Over the most recent 24 months, 29 of 2,080 flights were cancelled (1.4%) and 2 diverted (0.1%).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 99% on-time, while Jun 2024 came in at just 82% - a 17-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from MFR to SEA? ▼
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Flight Guides
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.