Most Improved Airlines for On-Time Performance
Airlines · Aug 2025 – Jul 2026
Data through July 2026 · Last updated October 18, 2026
Change in on-time arrival rate between the last 12 months and the 12 months before. Positive numbers mean the airline got more punctual.
Alaska Airlines ranks first at 1.9 pts, and Spirit Airlines is last of the 14 listed at -6.6 pts.
The median across this list is -1.1 pts.
Top 14: change in on-time %
Alaska Airlines1.9 pts
Frontier Airlines1.0 pts
Envoy Air0.5 pts
PSA Airlines0.1 pts
Delta Air Lines0.0 pts
United Airlines-0.9 pts
SkyWest Airlines-0.9 pts
American Airlines-1.4 pts
Allegiant Air-2.2 pts
JetBlue-3.0 pts
Hawaiian Airlines-3.3 pts
Republic Airways-3.3 pts
Southwest Airlines-4.3 pts
Spirit Airlines-6.6 pts
Full ranking
| # | Name | Change | Last 12 months | Previous 12 months |
|---|---|---|---|---|
| 1 | Alaska Airlines | +1.9 pts | 79.6% | 77.7% |
| 2 | Frontier Airlines | +1.0 pts | 73.1% | 72.2% |
| 3 | Envoy Air | +0.5 pts | 80.9% | 80.3% |
| 4 | PSA Airlines | +0.1 pts | 74.1% | 74.0% |
| 5 | Delta Air Lines | +0.0 pts | 81.5% | 81.5% |
| 6 | United Airlines | -0.9 pts | 79.3% | 80.2% |
| 7 | SkyWest Airlines | -0.9 pts | 79.0% | 79.9% |
| 8 | American Airlines | -1.4 pts | 74.6% | 75.9% |
| 9 | Allegiant Air | -2.2 pts | 74.1% | 76.3% |
| 10 | JetBlue | -3.0 pts | 72.3% | 75.3% |
| 11 | Hawaiian Airlines | -3.3 pts | 81.9% | 85.2% |
| 12 | Republic Airways | -3.3 pts | 78.7% | 82.0% |
| 13 | Southwest Airlines | -4.3 pts | 76.4% | 80.7% |
| 14 | Spirit Airlines | -6.6 pts | 72.8% | 79.4% |