Route Reliability
Atlanta → San Francisco
ATL–SFO · 2,139 miles · Hartsfield–Jackson Atlanta International Airport to San Francisco International Airport
- 73%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 0.7%
- Cancelled
- 3,359
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines81%640 flights
- 2.Delta Air Lines72%2,412 flights
- 3.Frontier Airlines66%307 flights
What the data says
Morning flights do better here.
ATL–SFO flights departing between 6–9 AM arrived on time 84% of the time, versus 64% between 6–9 PM.
Sunday scaries are real for this one.
ATL–SFO flights arrived on time 78% of the time on Tuesdays. On Sundays: 66%.
United Airlines runs this route best.
United Airlines arrived on time 81% of the time on this route; Frontier Airlines managed 66%.
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
- Mon71%(510 flights)
- Tue78%(430 flights)
- Wed77%(443 flights)
- Thu78%(503 flights)
- Fri71%(497 flights)
- Sat73%(432 flights)
- Sun66%(513 flights)
- 6–9 AM84%(722 flights)
- 9 AM–12 PM75%(442 flights)
- 12–3 PM77%(234 flights)
- 3–6 PM72%(819 flights)
- 6–9 PM64%(843 flights)
- 9 PM–12 AM72%(268 flights)
Jun 66% → May 59% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 66% | 303 |
| July 2025 | 72% | 318 |
| August 2025 | 70% | 304 |
| September 2025 | 82% | 277 |
| October 2025 | 74% | 305 |
| November 2025 | 77% | 283 |
| December 2025 | 73% | 265 |
| January 2026 | 75% | 213 |
| February 2026 | 76% | 219 |
| March 2026 | 87% | 276 |
| April 2026 | 71% | 282 |
| May 2026 | 59% | 283 |
Same trip, other airports
Keep nerding
Based on 3,359 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.