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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%180,568 flights
  2. 2HNL → KOA91%168,344 flights
  3. 3HNL → ITO91%131,543 flights
  4. 4HNL → OGG91%244,277 flights
  5. 5ITO → HNL91%129,092 flights
  6. 6LIH → HNL90%180,046 flights
  7. 7KOA → HNL90%169,034 flights
  8. 8BOI → SLC89%62,083 flights
  9. 9OGG → HNL89%247,100 flights
  10. 10PDX → SLC89%67,176 flights
  11. 11SAN → SLC88%55,497 flights
  12. 12SAN → ATL86%55,072 flights
  13. 13LAX → SBA86%76,252 flights
  14. 14RNO → PHX86%60,978 flights
  15. 15SBA → LAX86%76,189 flights

Least reliable

And the major routes most prone to delays

  1. 1ORD → EWR65%171,054 flights
  2. 2DTW → EWR67%84,049 flights
  3. 3CLT → EWR67%110,745 flights
  4. 4MSP → EWR67%65,952 flights
  5. 5ORD → LGA68%273,234 flights
  6. 6RDU → EWR68%57,181 flights
  7. 7DFW → EWR69%91,319 flights
  8. 8RDU → LGA69%85,373 flights
  9. 9ATL → EWR69%168,141 flights
  10. 10DEN → LGA69%84,557 flights
  11. 11ORD → HPN70%51,063 flights
  12. 12FLL → EWR70%109,514 flights
  13. 13DEN → ASE70%53,539 flights
  14. 14DFW → SFO70%112,663 flights
  15. 15BOS → EWR70%119,143 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.

Keep reading