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The most reliable U.S. flight routes

On some busy routes nearly every flight lands on time; on others, late arrivals are routine. Here are the major U.S. routes with the best — and worst — on-time records, from public U.S. DOT data, 2000–2025.

Last reviewed June 21, 2026 · Data covers 2000–2025

Most reliable

Major routes that almost always run on time

On-time means arriving within 15 minutes of schedule, combined across every airline flying the route.

  1. 1HNL → LIH91%183,749 flights
  2. 2HNL → KOA91%171,418 flights
  3. 3HNL → ITO90%134,199 flights
  4. 4HNL → OGG90%248,444 flights
  5. 5ITO → HNL90%131,745 flights
  6. 6LIH → HNL90%183,231 flights
  7. 7KOA → HNL90%172,110 flights
  8. 8BOI → SLC89%62,771 flights
  9. 9PDX → SLC89%68,021 flights
  10. 10OGG → HNL89%251,270 flights
  11. 11SAN → SLC88%56,757 flights
  12. 12SAN → IAH86%50,489 flights
  13. 13SAN → ATL86%55,905 flights
  14. 14LAX → SBA86%76,542 flights
  15. 15RNO → PHX86%61,928 flights

Least reliable

And the major routes most prone to delays

  1. 1ORD → EWR65%173,386 flights
  2. 2DTW → EWR67%85,482 flights
  3. 3CLT → EWR67%112,339 flights
  4. 4MSP → EWR67%66,824 flights
  5. 5ORD → LGA68%277,915 flights
  6. 6RDU → EWR69%57,947 flights
  7. 7DFW → EWR69%92,695 flights
  8. 8RDU → LGA69%86,262 flights
  9. 9ATL → EWR69%170,683 flights
  10. 10DEN → LGA69%86,453 flights
  11. 11ORD → HPN70%51,625 flights
  12. 12FLL → EWR70%111,725 flights
  13. 13DFW → SFO70%114,309 flights
  14. 14FLL → LGA70%107,999 flights
  15. 15DEN → ASE70%54,648 flights

How to read this

What's in the ranking

Only high-traffic routes are ranked, so a single bad week on a tiny route can’t top the chart. A route’s on-time figure combines all its airlines, weighted by how many flights each flew, and each row shows the total flights behind it. Tap a route for the airline-by-airline breakdown and its delay tail-risk.

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