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Route · SFO → MFR · 2020–2025 BTS data

San Francisco to Medford

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFO to MFR (San Francisco to Medford) ranks #2244 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86%
On-time
+7 pts
vs US avg
71 min
Delay when late
5,579
Flights
#2244 of 4927
Corpus placement

Cancelled

1.2%

Best Month

Sep 2025 96%

Worst Month

Jul 2025 72%

Distance

329 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 85 16 1 4 UA,OO
Nov 2025 85 23 1 1 OO,UA
Oct 2025 89 11 0 0 OO,UA
Sep 2025 89 4 0 0 UA,OO
Aug 2025 93 14 0 0 OO,UA
Jul 2025 92 26 0 0 OO,UA
Jun 2025 83 16 0 0 OO,UA
May 2025 89 11 0 0 OO,UA
Apr 2025 90 8 0 0 OO,UA
Mar 2025 80 10 0 0 OO,UA
Feb 2025 56 10 2 1 OO,UA
Jan 2025 69 7 1 3 OO,UA
Dec 2024 91 18 4 1 OO,UA
Nov 2024 86 8 4 1 OO,UA
Oct 2024 89 8 1 0 UA,OO
Sep 2024 85 15 0 0 OO,UA
Aug 2024 73 11 1 0 OO,UA
Jul 2024 62 10 0 0 OO,UA
Jun 2024 60 3 1 0 OO,UA
May 2024 62 8 1 1 OO,UA
Apr 2024 60 11 2 0 OO,UA
Mar 2024 68 13 1 0 OO,UA
Feb 2024 73 14 3 0 OO,UA
Jan 2024 70 10 0 0 OO,UA

SFO–MFR seasonal on-time pattern

Best: September (92.2%) · weakest: December (79.7%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 79.7%

Strongest calendar month

September

92.2% on-time · ~81 flights/mo

Busiest calendar month

July

~82 flights/mo avg

Weakest calendar month

December

79.7% on-time · ~82 flights/mo

Cancellation Rate

1.2%

23 of 1,879 flights

Diversion Rate

0.6%

12 of 1,879 flights

Origin-hub reliability standing

Among SFO's stronger departures

SFO → MFR posts a 86% on-time rate, landing in the ≥85% band with 20 of 73 BTS-tracked routes leaving San Francisco. The same hub also shows 50 mid-band and 3 challenged departures · fleet-wide on-time rank #920 of 4927 (highest on-time = #1).

What the Data Says About SFO to MFR

San Francisco to Medford (SFO to MFR) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86% on-time rate across 5,579 flights, with delays that do happen averaging 70.9 minutes. The corridor runs roughly 329 miles and is served by 3 carriers. Over the most recent 24 months, 23 of 1,879 flights were cancelled (1.2%) and 12 diverted (0.6%).

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 96% on-time, while Jul 2025 came in at just 72% - a 24-point swing worth factoring into travel timing.

On the multi-year calendar, SFO–MFR peaks in September at 92.2% on-time while July carries the heaviest traffic (~82 flights per month) ; the softest month is December at 79.7%, a 12.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SFO to MFR rank among US routes by traffic?
According to PlainFlights' route traffic ranking, SFO to MFR ranks #2244 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SFO to MFR?
Flights from San Francisco to Medford have a 86% on-time rate based on 5,579 flights. The average delay is 70.9 minutes. The best recent month was Sep 2025 with 96% on-time.
What is the cancellation rate for SFO to MFR?
Over the last 24 months, 1.2% of flights on this route were cancelled (23 of 1,879 flights) and 0.6% were diverted.
How far is the flight from SFO to MFR?
The flight distance from San Francisco (SFO) to Medford (MFR) is approximately 329 miles. This route is served by 3 carriers.
When is the best time to fly from SFO to MFR?
The best recent month for on-time performance was Sep 2025 (96% on-time). The worst was Jul 2025 (72% on-time). Consider booking during months with historically better performance.

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.

Using SFO–MFR data

SFO–MFR runs 7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SFO and MFR airport profiles: delay causes and top routes differ even on the same corridor. SFO airport
  • If your dates flex, September (92.2% on-time) beats December (79.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.