Route · RDU → SFO · 2020–2025 BTS data
Raleigh/Durham to San Francisco
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), RDU to SFO (Raleigh/Durham to San Francisco) ranks #3385 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 82.5%
- On-time
- +3.5 pts
- vs US avg
- 77 min
- Delay when late
- 2,797
- Flights
- #3385 of 4927
- Corpus placement
Cancelled
0.3%
Best Month
Sep 2025 91%
Worst Month
May 2024 66%
Distance
2,400 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 88 | 17 | 0 | 0 | UA |
| Nov 2025 | 80 | 11 | 0 | 0 | UA |
| Oct 2025 | 80 | 9 | 0 | 0 | UA |
| Sep 2025 | 77 | 7 | 0 | 0 | UA |
| Aug 2025 | 81 | 12 | 0 | 0 | UA |
| Jul 2025 | 84 | 17 | 0 | 0 | UA |
| Jun 2025 | 82 | 12 | 0 | 0 | UA |
| May 2025 | 83 | 12 | 0 | 0 | UA |
| Apr 2025 | 60 | 9 | 0 | 0 | UA |
| Mar 2025 | 57 | 12 | 0 | 0 | UA |
| Feb 2025 | 48 | 13 | 0 | 0 | UA |
| Jan 2025 | 60 | 11 | 0 | 0 | UA |
| Dec 2024 | 73 | 10 | 0 | 0 | UA |
| Nov 2024 | 48 | 8 | 0 | 0 | UA |
| Oct 2024 | 48 | 4 | 0 | 0 | UA |
| Sep 2024 | 47 | 3 | 0 | 0 | UA |
| Aug 2024 | 56 | 7 | 1 | 0 | UA |
| Jul 2024 | 62 | 13 | 1 | 0 | UA |
| Jun 2024 | 60 | 15 | 0 | 0 | UA |
| May 2024 | 62 | 21 | 0 | 0 | UA |
| Apr 2024 | 60 | 10 | 0 | 0 | UA |
| Mar 2024 | 62 | 13 | 0 | 0 | UA |
| Feb 2024 | 44 | 10 | 0 | 1 | UA |
| Jan 2024 | 38 | 6 | 2 | 0 | UA |
RDU–SFO seasonal on-time pattern
Best: October (89.6%) · weakest: July (74.5%)
Strongest calendar month
October
89.6% on-time · ~50 flights/mo
Busiest calendar month
July
~60 flights/mo avg
Weakest calendar month
July
74.5% on-time · ~60 flights/mo
Cancellation Rate
0.3%
4 of 1,540 flights
Diversion Rate
0.1%
1 of 1,540 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
RDU - Raleigh/Durham
Full on-time, delay-cause, and seasonal performance for Raleigh/Durham, NC.
RDU on-time profileSFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
SFO on-time profileCompare the two airports
See RDU and SFO side by side on delays, cancellations, and reliability.
Compare RDU vs SFOOrigin-hub reliability standing
Mid-pack among RDU departures
From RDU, this corridor sits with 25 other 75–85% on-time routes out of 35 tracked departures, not the hub's reliability leaders (9 at ≥85%) and not the softest ( 1 below 75%). Destination: San Francisco · fleet on-time rank #2162 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to RDU–SFO.
Routes with a similar on-time rate
What the Data Says About RDU to SFO
Bureau of Transportation Statistics records show Raleigh/Durham to San Francisco (RDU to SFO) running a 82.5% on-time rate over 2,797 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 76.8 minutes. The 2,400-mile corridor is served by 1 carrier, and over the last 24 months 0.3% of 1,540 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 91% on-time, while May 2024 came in at just 66% - a 25-point swing worth factoring into travel timing.
On the multi-year calendar, RDU–SFO peaks in October at 89.6% on-time while July carries the heaviest traffic (~60 flights per month) ; the softest month is July at 74.5%, a 15.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does RDU to SFO rank among US routes by traffic? ▼
How often are flights delayed from RDU to SFO? ▼
What is the cancellation rate for RDU to SFO? ▼
How far is the flight from RDU to SFO? ▼
When is the best time to fly from RDU to SFO? ▼
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.
Read our methodology - how this data is sourced, computed, and verified.
Using RDU–SFO data
RDU–SFO runs 3.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare RDU and SFO airport profiles: delay causes and top routes differ even on the same corridor. RDU airport
- If your dates flex, October (89.6% on-time) beats July (74.5%) on this corridor. Seasonal chart
- 4 other routes post a similar 82.5% 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.
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.