Route Reliability
Raleigh–Durham → San Francisco
RDU–SFO · 2,400 miles · Raleigh–Durham International Airport to San Francisco International Airport
- 84%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 0.2%
- Cancelled
- 901
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 84% of the time across 901 flights. No comparison to make.
What the data says
Morning flights do better here.
RDU–SFO flights departing between 6–9 AM arrived on time 91% of the time, versus 75% between 6–9 PM.
Friday is doing you no favors.
RDU–SFO flights arrived on time 92% of the time on Tuesdays. On Fridays: 79%.
It basically never cancels.
Out of 901 scheduled flights, only 0.2% were cancelled.
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
- Mon83%(141 flights)
- Tue92%(110 flights)
- Wed85%(115 flights)
- Thu81%(139 flights)
- Fri79%(144 flights)
- Sat90%(104 flights)
- Sun83%(143 flights)
- 6–9 AM91%(421 flights)
- 9 AM–12 PM89%(119 flights)
- 3–6 PM77%(57 flights)
- 6–9 PM75%(299 flights)
Jun 89% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 89% | 82 |
| July 2025 | 80% | 84 |
| August 2025 | 85% | 81 |
| September 2025 | 91% | 77 |
| October 2025 | 89% | 80 |
| November 2025 | 90% | 80 |
| December 2025 | 83% | 88 |
| January 2026 | 72% | 53 |
| February 2026 | 90% | 49 |
| March 2026 | 90% | 51 |
| April 2026 | 79% | 86 |
| May 2026 | 77% | 85 |
Keep nerding
Based on 901 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.