Route Reliability
San Francisco → Atlanta
SFO–ATL · 2,139 miles · San Francisco International Airport to Hartsfield–Jackson Atlanta International Airport
- 82%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.8%
- Cancelled
- 3,355
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines86%640 flights
- 2.Delta Air Lines84%2,409 flights
- 3.Frontier Airlines58%306 flights
What the data says
Morning flights do better here.
SFO–ATL flights departing between 6–9 AM arrived on time 92% of the time, versus 74% between 9 PM–12 AM.
Wednesday comes out ahead.
A small edge: 85% on time on Wednesdays against 78% on Fridays.
United Airlines has a clear lead on this route.
United Airlines arrived on time 86% of the time on this route; Frontier Airlines managed 58%.
Slipping a little lately.
SFO–ATL flights arrived on time 80% of the time over the last three months in the data, compared with 86% 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
More flights on this route
The breakdown
- Mon82%(511 flights)
- Tue84%(422 flights)
- Wed85%(444 flights)
- Thu81%(504 flights)
- Fri78%(497 flights)
- Sat84%(429 flights)
- Sun80%(512 flights)
- 3–6 AM—(2 flights)
- 6–9 AM92%(880 flights)
- 9 AM–12 PM85%(524 flights)
- 12–3 PM81%(482 flights)
- 3–6 PM87%(142 flights)
- 9 PM–12 AM74%(1289 flights)
Jun 74% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 74% | 306 |
| July 2025 | 77% | 316 |
| August 2025 | 80% | 303 |
| September 2025 | 87% | 277 |
| October 2025 | 88% | 303 |
| November 2025 | 84% | 282 |
| December 2025 | 81% | 264 |
| January 2026 | 86% | 213 |
| February 2026 | 89% | 218 |
| March 2026 | 87% | 270 |
| April 2026 | 79% | 283 |
| May 2026 | 74% | 284 |
Same trip, other airports
Keep nerding
Based on 3,355 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.