Route
RDU → SFO
Raleigh-Durham International Airport San Francisco International Airport
2,400 miles
Return route SFO → RDU →
Alerts at RDU and SFO
How punctual is this route?
- On-time arrivals
- 78.1%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 884
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 55%
- Late-arriving aircraft 24%
- Airline (crew, maintenance, cleaning) 19%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.9% | 77 |
| October 2025 | 88.8% | 80 |
| November 2025 | 86.2% | 80 |
| December 2025 | 80.7% | 88 |
| January 2026 | 71.7% | 57 |
| February 2026 | 87.8% | 49 |
| March 2026 | 88.2% | 52 |
| April 2026 | 79.1% | 86 |
| May 2026 | 76.5% | 85 |
| June 2026 | 53.3% | 76 |
| July 2026 | 55.6% | 75 |
| August 2026 | 79.7% | 79 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 884 | 78.1% | 0.5% | 71 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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