Airports › Boise (BOI) › December 2024
Airport month · December 2024
Boise Air Terminal in December 2024
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 2024, reporting carriers scheduled 1,971 domestic departures from Boise Air Terminal (BOI). 81.6% left less than 15 minutes late and 80.4% reached their destination on time; 0.9% were cancelled.
Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so BOI departures were 3.8 points above the national departure figure.
A year earlier, in December 2023, the airport had 1,689 departures with 87.9% leaving on time: a change of −6.3 points, with flights up 17%.
Flights arriving at BOI that month were on time 76.9% of the time (1,969 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 36%, air carrier 33% and national aviation system 19%.
- On time 80.4%
- Arrived 15+ minutes late 18.5%
- Cancelled 0.9%
- Diverted 0.2%
December 2024 against a year earlier, the airport's year and the nation
| Measure | Dec 2024 | Dec 2023 | BOI, 12 months to Jul 2026 | All reported flights, Dec 2024 |
|---|---|---|---|---|
| Departed on time | 81.6% | 87.9% | 83.9% | 77.8% |
| Arrived on time | 80.4% | 85.8% | 82.9% | 78.1% |
| Cancelled | 0.9% | 0.7% | 0.5% | 0.7% |
| Average departure delay (late minutes only) | 13.3 min | 10.3 min | 12.2 min | 16.6 min |
| Scheduled departures a day | 66 | 56 | 65 | 19,686 |
| Scheduled departures | 1,971 | 1,689 | 23,701 | 590,581 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| OO SkyWest Airlines | 1,003 | 51% | 79.3% | 2.6 min | 1.4% |
| WN Southwest Airlines | 452 | 23% | 82.3% | 2.7 min | 0.4% |
| DL Delta Air Lines | 201 | 10% | 78.1% | -0.3 min | 0.0% |
| UA United Airlines | 99 | 5% | 91.9% | 5.2 min | 0.0% |
| AA American Airlines | 89 | 5% | 76.4% | 0.7 min | 2.2% |
| AS Alaska Airlines | 63 | 3% | 82.5% | 7.7 min | 0.0% |
| G4 Allegiant Air | 33 | 2% | 66.7% | 45.7 min | 0.0% |
| NK Spirit Airlines | 27 | 1% | 85.2% | -4.9 min | 0.0% |
| MQ Envoy Air | 4 | 0% | 100.0% | -9.7 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BOI–SEA | Boise to Seattle | 260 | 80.0% | -1.4 min | 1.5% |
| BOI–DEN | Boise to Denver | 244 | 86.5% | -3.4 min | 0.4% |
| BOI–LAX | Boise to Los Angeles | 183 | 82.0% | 1.4 min | 2.2% |
| BOI–PHX | Boise to Phoenix | 160 | 88.8% | -1.5 min | 0.0% |
| BOI–SFO | Boise to San Francisco | 155 | 74.8% | 17.8 min | 1.3% |
| BOI–SLC | Boise to Salt Lake City | 147 | 81.6% | -1.6 min | 0.0% |
| BOI–LAS | Boise to Las Vegas | 127 | 84.3% | 9.5 min | 0.0% |
| BOI–PDX | Boise to Portland | 102 | 81.4% | 3.3 min | 1.0% |
| BOI–SAN | Boise to San Diego | 65 | 75.4% | 10.3 min | 3.1% |
| BOI–SMF | Boise to Sacramento | 65 | 86.2% | 0.8 min | 0.0% |
| BOI–DFW | Boise to Dallas/Fort Worth | 63 | 68.3% | 8.7 min | 3.2% |
| BOI–OAK | Boise to Oakland | 63 | 77.8% | 9.0 min | 1.6% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BOI on time in December 2024?
81.6% of 1,971 scheduled domestic departures left less than 15 minutes late, and 80.4% reached their destination on time. The national figures that month were 77.8% and 78.1%.
How does that compare with a year earlier?
In December 2023, 87.9% of 1,689 departures left on time and 0.7% were cancelled, against 81.6% and 0.9% in December 2024.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BOI · methodology · corrections.