Airports › Las Vegas (LAS) › August 2025
Airport month · August 2025
Harry Reid International in August 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 August 2025, reporting carriers scheduled 14,920 domestic departures from Harry Reid International (LAS). 76.8% left less than 15 minutes late and 78.9% reached their destination on time; 0.5% were cancelled.
Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so LAS departures were level with the national departure figure.
A year earlier, in August 2024, the airport had 16,089 departures with 74.7% leaving on time: a change of +2.1 points, with flights down 7%.
Flights arriving at LAS that month were on time 80.2% of the time (14,921 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 37% and national aviation system 22%.
- On time 78.9%
- Arrived 15+ minutes late 20.2%
- Cancelled 0.5%
- Diverted 0.4%
August 2025 against a year earlier, the airport's year and the nation
| Measure | Aug 2025 | Aug 2024 | LAS, 12 months to Jul 2026 | All reported flights, Aug 2025 |
|---|---|---|---|---|
| Departed on time | 76.8% | 74.7% | 73.8% | 76.8% |
| Arrived on time | 78.9% | 75.0% | 76.8% | 76.3% |
| Cancelled | 0.5% | 0.8% | 0.9% | 1.1% |
| Average departure delay (late minutes only) | 14.4 min | 17.1 min | 16.3 min | 17.6 min |
| Scheduled departures a day | 497 | 536 | 474 | 20,079 |
| Scheduled departures | 14,920 | 16,089 | 172,932 | 602,378 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 7,011 | 47% | 78.1% | 4.1 min | 0.3% |
| NK Spirit Airlines | 1,411 | 9% | 78.3% | 6.6 min | 0.4% |
| DL Delta Air Lines | 1,288 | 9% | 85.0% | -1.6 min | 0.7% |
| UA United Airlines | 1,227 | 8% | 77.9% | 4.8 min | 0.8% |
| AA American Airlines | 1,128 | 8% | 78.4% | 7.8 min | 1.4% |
| F9 Frontier Airlines | 1,011 | 7% | 74.8% | 7.1 min | 1.1% |
| G4 Allegiant Air | 588 | 4% | 86.2% | 3.2 min | 0.0% |
| AS Alaska Airlines | 470 | 3% | 77.2% | 5.2 min | 0.2% |
| OO SkyWest Airlines | 415 | 3% | 82.7% | 2.1 min | 0.5% |
| B6 JetBlue Airways | 235 | 2% | 79.1% | -2.0 min | 0.4% |
| HA Hawaiian Airlines | 135 | 1% | 71.1% | 16.2 min | 0.0% |
| MQ Envoy Air | 1 | 0% | 100.0% | -11.0 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| LAS–LAX | Las Vegas to Los Angeles | 738 | 80.6% | 3.1 min | 0.4% |
| LAS–SAN | Las Vegas to San Diego | 656 | 72.3% | 8.0 min | 0.6% |
| LAS–DEN | Las Vegas to Denver | 528 | 67.0% | 15.5 min | 0.8% |
| LAS–SFO | Las Vegas to San Francisco | 520 | 73.5% | 7.7 min | 0.4% |
| LAS–SEA | Las Vegas to Seattle | 489 | 76.5% | 5.5 min | 0.0% |
| LAS–ORD | Las Vegas to Chicago | 485 | 75.7% | 4.0 min | 2.1% |
| LAS–PHX | Las Vegas to Phoenix | 465 | 80.2% | 1.8 min | 1.3% |
| LAS–SMF | Las Vegas to Sacramento | 432 | 80.8% | 3.5 min | 0.2% |
| LAS–ATL | Las Vegas to Atlanta | 405 | 85.2% | -1.8 min | 1.5% |
| LAS–DFW | Las Vegas to Dallas/Fort Worth | 401 | 72.6% | 19.7 min | 2.5% |
| LAS–BUR | Las Vegas to Burbank | 399 | 80.5% | 5.0 min | 0.5% |
| LAS–SJC | Las Vegas to San Jose | 381 | 81.6% | 2.3 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left LAS on time in August 2025?
76.8% of 14,920 scheduled domestic departures left less than 15 minutes late, and 78.9% reached their destination on time. The national figures that month were 76.8% and 76.3%.
How does that compare with a year earlier?
In August 2024, 74.7% of 16,089 departures left on time and 0.8% were cancelled, against 76.8% and 0.5% in August 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for LAS · methodology · corrections.