Route Reliability
San Francisco → Washington
SFO–DCA · 2,442 miles · San Francisco International Airport to Ronald Reagan Washington National Airport
- 79%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 0.9%
- Cancelled
- 1,092
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines80%729 flights
- 2.Alaska Airlines78%363 flights
What the data says
Morning-you made the right choice.
SFO–DCA flights departing between 6–9 AM arrived on time 90% of the time, versus 71% between 12–3 PM.
Skip Wednesday if you can.
SFO–DCA flights arrived on time 87% of the time on Saturdays. On Wednesdays: 73%.
Not much between United Airlines and Alaska Airlines.
On this route they all land within 78% to 80% on time. Pick on schedule and price.
Slipping a little lately.
SFO–DCA flights arrived on time 81% of the time over the last three months in the data, compared with 84% 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
The breakdown
- Mon78%(154 flights)
- Tue84%(153 flights)
- Wed73%(154 flights)
- Thu74%(152 flights)
- Fri79%(150 flights)
- Sat87%(151 flights)
- Sun81%(155 flights)
- 6–9 AM90%(353 flights)
- 9 AM–12 PM78%(355 flights)
- 12–3 PM71%(361 flights)
Jun 77% → May 76% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 86 |
| July 2025 | 58% | 83 |
| August 2025 | 81% | 93 |
| September 2025 | 82% | 88 |
| October 2025 | 80% | 93 |
| November 2025 | 79% | 89 |
| December 2025 | 87% | 93 |
| January 2026 | 90% | 88 |
| February 2026 | 76% | 83 |
| March 2026 | 82% | 91 |
| April 2026 | 84% | 89 |
| May 2026 | 76% | 93 |
Same trip, other airports
Keep nerding
Based on 1,092 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.