Route
SFO → DCA
San Francisco International Airport Ronald Reagan Washington National Airport
2,442 miles
Return route DCA → SFO →
Alerts at SFO and DCA
How punctual is this route?
- On-time arrivals
- 78.4%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,090
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 48%
- Late-arriving aircraft 39%
- Airline (crew, maintenance, cleaning) 13%
- Security 0%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.8% | 90 |
| October 2025 | 78.5% | 93 |
| November 2025 | 78.7% | 89 |
| December 2025 | 87.1% | 93 |
| January 2026 | 89.8% | 93 |
| February 2026 | 75.9% | 83 |
| March 2026 | 82.4% | 93 |
| April 2026 | 84.3% | 90 |
| May 2026 | 75.3% | 93 |
| June 2026 | 74.2% | 90 |
| July 2026 | 65.6% | 90 |
| August 2026 | 67.4% | 93 |
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 | 727 | 78.4% | 0.6% | 61 min |
| Alaska Airlines | 363 | 78.3% | 0.8% | 55 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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