Route Reliability
San Francisco → Raleigh–Durham
SFO–RDU · 2,400 miles · San Francisco International Airport to Raleigh–Durham International Airport
- 91%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 0.2%
- Cancelled
- 902
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 91% of the time across 902 flights. No comparison to make.
What the data says
Morning flights do better here.
SFO–RDU flights departing between 6–9 AM arrived on time 98% of the time, versus 88% between 9 PM–12 AM.
Sunday scaries are real for this one.
SFO–RDU flights arrived on time 95% of the time on Tuesdays. On Sundays: 86%.
It basically never cancels.
Out of 902 scheduled flights, only 0.2% were cancelled.
Ticking up lately.
SFO–RDU flights arrived on time 94% of the time over the last three months in the data, compared with 90% in the three months before that.
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
- Mon93%(139 flights)
- Tue95%(98 flights)
- Wed91%(127 flights)
- Thu92%(144 flights)
- Fri90%(133 flights)
- Sat91%(114 flights)
- Sun86%(143 flights)
- 6–9 AM98%(164 flights)
- 9 AM–12 PM89%(118 flights)
- 12–3 PM92%(225 flights)
- 3–6 PM—(5 flights)
- 6–9 PM90%(80 flights)
- 9 PM–12 AM88%(306 flights)
Jun 90% → May 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 82 |
| July 2025 | 82% | 84 |
| August 2025 | 93% | 80 |
| September 2025 | 95% | 77 |
| October 2025 | 95% | 80 |
| November 2025 | 89% | 80 |
| December 2025 | 87% | 87 |
| January 2026 | 84% | 55 |
| February 2026 | 98% | 49 |
| March 2026 | 92% | 52 |
| April 2026 | 98% | 86 |
| May 2026 | 91% | 86 |
Keep nerding
Based on 902 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.