PlaneSane rankings
Most Reliable US Airlines
The US airlines with the strongest controllable-delay record in US DOT data.
- 1
Delta Air LinesDL · United States · 9,491,264 flights87.9% - 2
Alaska AirlinesAS · ALASKA · 2,531,988 flights87.4% - 3
United AirlinesUA · United States · 8,319,166 flights86.9% - 4
Spirit AirlinesNK · United States · 1,325,554 flights86.5% - 5
American AirlinesAA · United States · 11,607,202 flights83.9% - 6
Hawaiian AirlinesHA · United States · 419,604 flights83.6% - 7
Southwest AirlinesWN · United States · 8,394,304 flights82.7% - 8
Allegiant AirG4 · United States · 772,332 flights82.6% - 9
JetBlue AirwaysB6 · United States · 1,508,362 flights80.6% - 10
Frontier AirlinesF9 · United States · 1,095,136 flights79.3%
How this list is built. US airlines with 50,000+ flights, ranked by airline-attributed on-time rate (within 15 minutes) from US DOT (BTS) data — airline-controllable delays only. Display-only context — advisory, not a guarantee for any one flight.