Earlier this year, Delta Air Lines was named the most punctual airline in North America for the fifth consecutive year. This was according to Cirium’s On-Time Performance Review, with 80.9 per cent of its 1.8 million flights in 2025 arriving within 15 minutes of schedule. The number needs context. It represented a 1.7 percentage point lead over the nearest competitor, achieved with more than four times the flight volume, and made Delta the only US carrier in Cirium's global t