Airports › Sacramento (SMF) › December 2025
Airport month · December 2025
Sacramento International in December 2025
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 December 2025, reporting carriers scheduled 4,531 domestic departures from Sacramento International (SMF). 76.9% left less than 15 minutes late and 78.4% reached their destination on time; 0.8% were cancelled.
Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so SMF departures were 4.9 points above the national departure figure.
A year earlier, in December 2024, the airport had 4,534 departures with 77.3% leaving on time: a change of −0.4 points, with flights down 0%.
Flights arriving at SMF that month were on time 76.8% of the time (4,533 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 45%, air carrier 32% and national aviation system 17%.
- On time 78.4%
- Arrived 15+ minutes late 20.6%
- Cancelled 0.8%
- Diverted 0.3%
December 2025 against a year earlier, the airport's year and the nation
| Measure | Dec 2025 | Dec 2024 | SMF, 12 months to Jul 2026 | All reported flights, Dec 2025 |
|---|---|---|---|---|
| Departed on time | 76.9% | 77.3% | 80.0% | 72.0% |
| Arrived on time | 78.4% | 80.1% | 81.4% | 71.9% |
| Cancelled | 0.8% | 0.9% | 0.7% | 1.5% |
| Average departure delay (late minutes only) | 14.3 min | 16.4 min | 12.1 min | 21.2 min |
| Scheduled departures a day | 151 | 151 | 154 | 19,410 |
| Scheduled departures | 4,531 | 4,534 | 56,306 | 582,304 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 2,728 | 60% | 75.6% | 6.7 min | 0.6% |
| OO SkyWest Airlines | 709 | 16% | 81.8% | 3.9 min | 0.7% |
| UA United Airlines | 311 | 7% | 83.3% | 2.6 min | 0.6% |
| AA American Airlines | 277 | 6% | 86.6% | 0.3 min | 0.4% |
| DL Delta Air Lines | 259 | 6% | 83.4% | 5.5 min | 2.3% |
| AS Alaska Airlines | 104 | 2% | 72.1% | 11.6 min | 2.9% |
| HA Hawaiian Airlines | 93 | 2% | 84.9% | 1.3 min | 0.0% |
| F9 Frontier Airlines | 48 | 1% | 79.2% | 6.6 min | 2.1% |
| MQ Envoy Air | 2 | 0% | 100.0% | 0.5 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SMF–LAX | Sacramento to Los Angeles | 431 | 84.9% | -1.2 min | 0.5% |
| SMF–SAN | Sacramento to San Diego | 399 | 65.2% | 16.2 min | 1.5% |
| SMF–LAS | Sacramento to Las Vegas | 352 | 80.4% | 4.1 min | 0.0% |
| SMF–PHX | Sacramento to Phoenix | 346 | 82.1% | 7.1 min | 0.6% |
| SMF–DEN | Sacramento to Denver | 302 | 73.8% | 8.6 min | 0.7% |
| SMF–SEA | Sacramento to Seattle | 295 | 78.0% | 3.0 min | 0.0% |
| SMF–BUR | Sacramento to Burbank | 228 | 76.8% | 3.3 min | 3.5% |
| SMF–SNA | Sacramento to Santa Ana | 198 | 81.8% | 1.4 min | 0.0% |
| SMF–ONT | Sacramento to Ontario | 179 | 79.3% | 3.8 min | 0.6% |
| SMF–LGB | Sacramento to Long Beach | 173 | 80.3% | 7.1 min | 0.6% |
| SMF–SLC | Sacramento to Salt Lake City | 166 | 84.3% | 3.4 min | 0.6% |
| SMF–DFW | Sacramento to Dallas/Fort Worth | 137 | 82.5% | 3.1 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SMF on time in December 2025?
76.9% of 4,531 scheduled domestic departures left less than 15 minutes late, and 78.4% reached their destination on time. The national figures that month were 72.0% and 71.9%.
How does that compare with a year earlier?
In December 2024, 77.3% of 4,534 departures left on time and 0.9% were cancelled, against 76.9% and 0.8% in December 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SMF · methodology · corrections.