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Route · SFO → RDU · 2020–2025 BTS data

San Francisco to Raleigh/Durham

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFO to RDU (San Francisco to Raleigh/Durham) ranks #3392 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87.3%
On-time
+8.3 pts
vs US avg
62 min
Delay when late
2,793
Flights
#3392 of 4927
Corpus placement

Cancelled

0.3%

Best Month

May 2025 95%

Worst Month

Jul 2024 77%

Distance

2,400 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 87 11 0 0 UA
Nov 2025 80 10 0 0 UA
Oct 2025 80 4 0 0 UA
Sep 2025 77 4 0 0 UA
Aug 2025 81 7 0 1 UA
Jul 2025 84 16 0 0 UA
Jun 2025 82 9 0 0 UA
May 2025 84 4 0 0 UA
Apr 2025 60 3 0 0 UA
Mar 2025 57 8 0 0 UA
Feb 2025 48 2 0 1 UA
Jan 2025 60 7 0 0 UA
Dec 2024 72 4 0 0 UA
Nov 2024 48 3 0 0 UA
Oct 2024 48 9 0 0 UA
Sep 2024 47 9 0 1 UA
Aug 2024 56 11 1 1 UA
Jul 2024 62 14 1 0 UA
Jun 2024 60 5 0 0 UA
May 2024 62 12 0 0 UA
Apr 2024 60 8 0 0 UA
Mar 2024 62 12 0 0 UA
Feb 2024 44 6 0 0 UA
Jan 2024 37 2 3 1 UA

SFO–RDU seasonal on-time pattern

Best: November (90.7%) · weakest: July (79.9%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 87.5%

Strongest calendar month

November

90.7% on-time · ~47 flights/mo

Busiest calendar month

May

~60 flights/mo avg

Weakest calendar month

July

79.9% on-time · ~60 flights/mo

Cancellation Rate

0.3%

5 of 1,538 flights

Diversion Rate

0.3%

5 of 1,538 flights

Origin-hub reliability standing

Among SFO's stronger departures

SFO → RDU posts a 87.3% 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 #580 of 4927 (highest on-time = #1).

What the Data Says About SFO to RDU

San Francisco to Raleigh/Durham (SFO to RDU) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.3% on-time rate across 2,793 flights, with delays that do happen averaging 62.3 minutes. The corridor runs roughly 2,400 miles and is served by 1 carrier. Over the most recent 24 months, 5 of 1,538 flights were cancelled (0.3%) and 5 diverted (0.3%).

The monthly split is wide on this route: May 2025 posted the strongest performance at 95% on-time, while Jul 2024 came in at just 77% - a 18-point swing worth factoring into travel timing.

On the multi-year calendar, SFO–RDU peaks in November at 90.7% on-time while May carries the heaviest traffic (~60 flights per month) ; the softest month is July at 79.9%, a 10.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SFO to RDU rank among US routes by traffic?
According to PlainFlights' route traffic ranking, SFO to RDU ranks #3392 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 RDU?
Flights from San Francisco to Raleigh/Durham have a 87.3% on-time rate based on 2,793 flights. The average delay is 62.3 minutes. The best recent month was May 2025 with 95% on-time.
What is the cancellation rate for SFO to RDU?
Over the last 24 months, 0.3% of flights on this route were cancelled (5 of 1,538 flights) and 0.3% were diverted.
How far is the flight from SFO to RDU?
The flight distance from San Francisco (SFO) to Raleigh/Durham (RDU) is approximately 2,400 miles. This route is served by 1 carrier.
When is the best time to fly from SFO to RDU?
The best recent month for on-time performance was May 2025 (95% on-time). The worst was Jul 2024 (77% 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–RDU data

SFO–RDU runs 8.3 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 RDU airport profiles: delay causes and top routes differ even on the same corridor. SFO airport
  • If your dates flex, November (90.7% on-time) beats July (79.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87.3% 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.