BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
MFRSFO

Medford, OR (MFR) to San Francisco, CA (SFO) flight delay odds

Historically, 69.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,031 flights.

HISTORICAL ROUTE SIGNALVariable
69.6%arrived on time
18.5%30+ min late
0.8%cancelled
1,031scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.9%all scheduled flights
120+ minutes late4.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+15.2 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning36185.0%9.1%0.3%
Afternoon36561.6%22.2%0.3%
Evening30561.0%25.2%2.0%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday15564.5%20.6%1.3%
Tuesday14367.1%20.3%0.0%
Wednesday15373.9%15.7%0.7%
Thursday15367.3%19.0%2.0%
Friday15470.1%16.2%0.0%
Saturday12172.7%16.5%0.8%
Sunday15272.4%21.1%0.7%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines62567.0%20.2%1.3%
United Airlines40673.6%16.0%0.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 20259281.5%12.0%0.0%
August 20259389.2%3.2%0.0%
September 20258975.3%14.6%0.0%
October 20259070.0%14.4%0.0%
November 20258572.9%15.3%1.2%
December 20258563.5%23.5%1.2%
January 20268466.7%17.9%4.8%
February 20267672.4%17.1%0.0%
March 20268587.1%8.2%0.0%
April 20268153.1%27.2%1.2%
May 20268452.4%35.7%1.2%
June 20268748.3%35.6%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline13.6%
Late aircraft25.5%
National airspace50.2%
Weather10.8%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.