Airports › San Francisco (SFO) › January 2026
Airport month · January 2026
San Francisco International in January 2026
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In January 2026, reporting carriers scheduled 11,113 domestic departures from San Francisco International (SFO). 79.6% left less than 15 minutes late and 80.2% reached their destination on time; 2.4% were cancelled.
Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so SFO departures were 4.0 points above the national departure figure.
A year earlier, in January 2025, the airport had 10,839 departures with 85.5% leaving on time: a change of −5.9 points, with flights up 3%.
Flights arriving at SFO that month were on time 76.8% of the time (11,113 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 34% and national aviation system 20%.
- On time 80.2%
- Arrived 15+ minutes late 17.1%
- Cancelled 2.4%
- Diverted 0.3%
January 2026 against a year earlier, the airport's year and the nation
| Measure | Jan 2026 | Jan 2025 | SFO, 12 months to Jul 2026 | All reported flights, Jan 2026 |
|---|---|---|---|---|
| Departed on time | 79.6% | 85.5% | 75.1% | 75.6% |
| Arrived on time | 80.2% | 85.7% | 75.6% | 75.3% |
| Cancelled | 2.4% | 0.7% | 1.0% | 4.7% |
| Average departure delay (late minutes only) | 16.8 min | 10.6 min | 17.8 min | 16.7 min |
| Scheduled departures a day | 370 | 361 | 404 | 18,133 |
| Scheduled departures | 11,113 | 10,839 | 147,566 | 544,003 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| UA United Airlines | 4,560 | 41% | 83.1% | 0.4 min | 1.3% |
| OO SkyWest Airlines | 2,625 | 24% | 78.3% | 10.9 min | 2.6% |
| DL Delta Air Lines | 1,025 | 9% | 83.1% | -3.3 min | 2.4% |
| AA American Airlines | 820 | 7% | 70.5% | 19.7 min | 8.8% |
| AS Alaska Airlines | 784 | 7% | 80.4% | 1.4 min | 1.8% |
| WN Southwest Airlines | 707 | 6% | 78.8% | 11.2 min | 1.3% |
| B6 JetBlue Airways | 375 | 3% | 78.4% | -0.2 min | 4.3% |
| F9 Frontier Airlines | 217 | 2% | 74.7% | 11.7 min | 3.2% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SFO–LAX | San Francisco to Los Angeles | 774 | 85.0% | 1.9 min | 1.2% |
| SFO–JFK | San Francisco to New York | 539 | 76.3% | 4.8 min | 5.8% |
| SFO–LAS | San Francisco to Las Vegas | 522 | 80.5% | 8.5 min | 0.2% |
| SFO–SAN | San Francisco to San Diego | 504 | 78.6% | 10.9 min | 1.4% |
| SFO–SEA | San Francisco to Seattle | 485 | 82.1% | 1.8 min | 1.9% |
| SFO–DEN | San Francisco to Denver | 435 | 87.1% | 1.2 min | 0.2% |
| SFO–SNA | San Francisco to Santa Ana | 377 | 86.2% | -1.4 min | 1.6% |
| SFO–PHX | San Francisco to Phoenix | 376 | 80.1% | 6.9 min | 1.9% |
| SFO–ORD | San Francisco to Chicago | 329 | 72.3% | 6.4 min | 0.3% |
| SFO–EWR | San Francisco to Newark | 326 | 72.7% | 7.0 min | 4.9% |
| SFO–BOS | San Francisco to Boston | 313 | 77.3% | 1.8 min | 5.4% |
| SFO–DFW | San Francisco to Dallas/Fort Worth | 311 | 66.6% | 29.4 min | 9.6% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SFO on time in January 2026?
79.6% of 11,113 scheduled domestic departures left less than 15 minutes late, and 80.2% reached their destination on time. The national figures that month were 75.6% and 75.3%.
How does that compare with a year earlier?
In January 2025, 85.5% of 10,839 departures left on time and 0.7% were cancelled, against 79.6% and 2.4% in January 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SFO · methodology · corrections.