Route Reliability
MFR → Seattle
MFR–SEA · 352 miles · MFR Airport to Seattle–Tacoma International Airport
90
Nerd Approved
WanderNerd Reliability Score
- 88%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 1.4%
- Cancelled
- 2,287
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines93%1,059 flights
- 2.Alaska Airlines83%1,228 flights
What the data says
Morning-you made the right choice.
MFR–SEA flights departing between 6–9 AM arrived on time 96% of the time, versus 67% between 9 PM–12 AM.
Wednesday has been the better bet.
A small edge: 90% on time on Wednesdays against 84% on Sundays.
Delta Air Lines runs this route best.
Delta Air Lines arrived on time 93% of the time on this route; Alaska Airlines managed 83%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon89%(332 flights)
- Tue89%(323 flights)
- Wed90%(323 flights)
- Thu87%(324 flights)
- Fri86%(324 flights)
- Sat89%(297 flights)
- Sun84%(328 flights)
- 3–6 AM93%(269 flights)
- 6–9 AM96%(441 flights)
- 9 AM–12 PM90%(292 flights)
- 12–3 PM80%(527 flights)
- 3–6 PM89%(539 flights)
- 6–9 PM76%(165 flights)
- 9 PM–12 AM67%(18 flights)
85%
May
Jun 80% → May 85% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 189 |
| July 2025 | 86% | 184 |
| August 2025 | 87% | 215 |
| September 2025 | 95% | 210 |
| October 2025 | 92% | 204 |
| November 2025 | 86% | 185 |
| December 2025 | 83% | 189 |
| January 2026 | 82% | 167 |
| February 2026 | 94% | 157 |
| March 2026 | 92% | 177 |
| April 2026 | 88% | 181 |
| May 2026 | 85% | 193 |
Keep nerding
Based on 2,287 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.