Best Time to Fly MFR to SEA: On-Time Stats by Hour & Airline
Rogue Valley International - Medford → Seattle/Tacoma International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 90.2% of Medford (MFR) to Seattle (SEA) flights arrived on time (1,275 scheduled flights). That is 12.6 points above the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
March has been the best month (94% on time) and Sunday the weakest day of the week (88%).
1.2% of flights were cancelled, versus 1.8% nationally.
MFR to SEA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 90.2% | 67 min | 1.2% | 1,275 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MFR to SEA
On-time arrival % by scheduled departure hour (local time), 2,288 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.2% | 6.3% | 158 |
| 6am–7am | 96.3% | 1.1% | 555 |
| 7am–8am | Limited data | 18 | |
| 11am–12pm | 90.5% | 2.0% | 409 |
| 12pm–1pm | 82.3% | 0.7% | 291 |
| 1pm–2pm | 76.0% | 1.2% | 80 |
| 2pm–3pm | Limited data | 20 | |
| 3pm–4pm | Limited data | 26 | |
| 5pm–6pm | 89.9% | 0.7% | 701 |
| 7pm–8pm | 90.0% | 0.0% | 30 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MFR to SEA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 72.2% | -18.8 pts | 5.3% | 38 |
| Christmas & New Year (Dec 20 - Jan 3) | 96.6% | +5.6 pts | 1.7% | 60 |
| Summer peak (Jun 15 - Aug 15) | 88.2% | -2.9 pts | 0.2% | 415 |
| All other days | 91.0% | — | 1.8% | 1,775 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).