Route · SEA → MFR · 2020–2025 BTS data
Seattle to Medford
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SEA to MFR (Seattle to Medford) ranks #1187 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 88.7%
- On-time
- +9.7 pts
- vs US avg
- 64 min
- Delay when late
- 9,865
- Flights
- #1187 of 4927
- Corpus placement
Cancelled
1.3%
Best Month
Sep 2025 97%
Worst Month
Jan 2024 72%
Distance
352 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 97 | 15 | 1 | 1 | OO |
| Nov 2025 | 98 | 13 | 6 | 1 | OO |
| Oct 2025 | 96 | 5 | 0 | 0 | OO |
| Sep 2025 | 90 | 3 | 0 | 0 | OO |
| Aug 2025 | 91 | 6 | 0 | 0 | OO |
| Jul 2025 | 92 | 11 | 0 | 0 | OO |
| Jun 2025 | 90 | 7 | 0 | 0 | OO |
| May 2025 | 93 | 8 | 0 | 0 | OO |
| Apr 2025 | 86 | 5 | 0 | 0 | OO |
| Mar 2025 | 88 | 9 | 0 | 0 | OO |
| Feb 2025 | 78 | 11 | 4 | 0 | OO |
| Jan 2025 | 84 | 7 | 8 | 2 | OO |
| Dec 2024 | 78 | 12 | 6 | 2 | OO |
| Nov 2024 | 77 | 7 | 0 | 1 | OO |
| Oct 2024 | 84 | 12 | 0 | 0 | OO |
| Sep 2024 | 80 | 15 | 0 | 0 | OO |
| Aug 2024 | 83 | 12 | 0 | 0 | OO |
| Jul 2024 | 85 | 8 | 0 | 0 | OO |
| Jun 2024 | 85 | 17 | 0 | 0 | OO |
| May 2024 | 88 | 9 | 1 | 0 | OO |
| Apr 2024 | 86 | 7 | 0 | 0 | OO |
| Mar 2024 | 88 | 9 | 0 | 0 | OO |
| Feb 2024 | 81 | 5 | 0 | 0 | OO |
| Jan 2024 | 81 | 23 | 1 | 0 | OO |
SEA–MFR seasonal on-time pattern
Best: April (91.7%) · weakest: December (80.6%)
Strongest calendar month
April
91.7% on-time · ~147 flights/mo
Busiest calendar month
March
~153 flights/mo avg
Weakest calendar month
December
80.6% on-time · ~121 flights/mo
Cancellation Rate
1.3%
27 of 2,079 flights
Diversion Rate
0.3%
7 of 2,079 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
SEA on-time profileMFR - Medford
Full on-time, delay-cause, and seasonal performance for Medford, OR.
MFR on-time profileCompare the two airports
See SEA and MFR side by side on delays, cancellations, and reliability.
Compare SEA vs MFROrigin-hub reliability standing
Among SEA's stronger departures
SEA → MFR posts a 88.7% on-time rate, landing in the ≥85% band with 25 of 89 BTS-tracked routes leaving Seattle. The same hub also shows 63 mid-band and 1 challenged departures · fleet-wide on-time rank #301 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SEA–MFR.
Routes with a similar on-time rate
What the Data Says About SEA to MFR
Seattle to Medford (SEA to MFR) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.7% on-time rate across 9,865 flights, with delays that do happen averaging 63.7 minutes. The corridor runs roughly 352 miles and is served by 3 carriers. Over the most recent 24 months, 27 of 2,079 flights were cancelled (1.3%) and 7 diverted (0.3%).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 97% on-time, while Jan 2024 came in at just 72% - a 25-point swing worth factoring into travel timing.
On the multi-year calendar, SEA–MFR peaks in April at 91.7% on-time while March carries the heaviest traffic (~153 flights per month) ; the softest month is December at 80.6%, a 11.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SEA to MFR rank among US routes by traffic? ▼
How often are flights delayed from SEA to MFR? ▼
What is the cancellation rate for SEA to MFR? ▼
How far is the flight from SEA to MFR? ▼
When is the best time to fly from SEA to MFR? ▼
Airports on this route
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.
Using SEA–MFR data
SEA–MFR runs 9.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SEA and MFR airport profiles: delay causes and top routes differ even on the same corridor. SEA airport
- If your dates flex, April (91.7% on-time) beats December (80.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 88.7% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.