Airports › Las Vegas (LAS) › April 2025
Airport month · April 2025
Harry Reid International in April 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 April 2025, reporting carriers scheduled 16,034 domestic departures from Harry Reid International (LAS). 78.7% left less than 15 minutes late and 80.6% reached their destination on time; 0.3% were cancelled.
Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so LAS departures were 1.9 points below the national departure figure.
A year earlier, in April 2024, the airport had 15,579 departures with 77.2% leaving on time: a change of +1.5 points, with flights up 3%.
Flights arriving at LAS that month were on time 80.5% of the time (16,033 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 31% and national aviation system 21%.
- On time 80.6%
- Arrived 15+ minutes late 18.8%
- Cancelled 0.3%
- Diverted 0.2%
April 2025 against a year earlier, the airport's year and the nation
| Measure | Apr 2025 | Apr 2024 | LAS, 12 months to Jul 2026 | All reported flights, Apr 2025 |
|---|---|---|---|---|
| Departed on time | 78.7% | 77.2% | 73.8% | 80.6% |
| Arrived on time | 80.6% | 79.3% | 76.8% | 79.5% |
| Cancelled | 0.3% | 0.3% | 0.9% | 0.8% |
| Average departure delay (late minutes only) | 12.9 min | 14.2 min | 16.3 min | 14.1 min |
| Scheduled departures a day | 535 | 519 | 474 | 19,465 |
| Scheduled departures | 16,034 | 15,579 | 172,932 | 583,950 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 7,544 | 47% | 78.8% | 4.4 min | 0.2% |
| NK Spirit Airlines | 1,531 | 10% | 88.6% | -5.1 min | 0.2% |
| DL Delta Air Lines | 1,401 | 9% | 82.0% | 1.2 min | 0.6% |
| AA American Airlines | 1,345 | 8% | 79.5% | 4.3 min | 1.3% |
| UA United Airlines | 1,283 | 8% | 83.5% | 0.8 min | 0.2% |
| F9 Frontier Airlines | 1,008 | 6% | 76.5% | 4.9 min | 0.7% |
| G4 Allegiant Air | 554 | 3% | 86.6% | -3.6 min | 0.0% |
| OO SkyWest Airlines | 487 | 3% | 74.5% | 9.3 min | 0.4% |
| AS Alaska Airlines | 470 | 3% | 78.3% | 6.1 min | 0.2% |
| B6 JetBlue Airways | 291 | 2% | 83.8% | -5.7 min | 0.7% |
| HA Hawaiian Airlines | 120 | 1% | 89.2% | -3.3 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| LAS–LAX | Las Vegas to Los Angeles | 757 | 82.4% | 2.6 min | 0.1% |
| LAS–DEN | Las Vegas to Denver | 686 | 72.0% | 9.3 min | 0.9% |
| LAS–SAN | Las Vegas to San Diego | 611 | 66.9% | 14.4 min | 0.7% |
| LAS–PHX | Las Vegas to Phoenix | 609 | 80.6% | 3.2 min | 0.8% |
| LAS–DFW | Las Vegas to Dallas/Fort Worth | 525 | 73.1% | 11.3 min | 3.4% |
| LAS–SEA | Las Vegas to Seattle | 507 | 80.9% | 1.3 min | 0.2% |
| LAS–SFO | Las Vegas to San Francisco | 499 | 76.2% | 2.1 min | 0.0% |
| LAS–SMF | Las Vegas to Sacramento | 465 | 82.2% | 2.8 min | 0.0% |
| LAS–ORD | Las Vegas to Chicago | 434 | 84.3% | -1.0 min | 0.2% |
| LAS–ATL | Las Vegas to Atlanta | 409 | 78.2% | 7.4 min | 1.2% |
| LAS–SNA | Las Vegas to Santa Ana | 374 | 85.0% | -1.9 min | 0.0% |
| LAS–SJC | Las Vegas to San Jose | 373 | 84.5% | -0.4 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left LAS on time in April 2025?
78.7% of 16,034 scheduled domestic departures left less than 15 minutes late, and 80.6% reached their destination on time. The national figures that month were 80.6% and 79.5%.
How does that compare with a year earlier?
In April 2024, 77.2% of 15,579 departures left on time and 0.3% were cancelled, against 78.7% and 0.3% in April 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 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.