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US routes · August 2025 to July 2026

Most and least punctual US routes

Of the 528 US domestic routes with at least 3,000 flights from August 2025 to July 2026, Charleston (CHS) to Atlanta (ATL) was the most punctual, with 89.6% of flights arriving within 15 minutes of schedule, and Las Vegas (LAS) to San Francisco (SFO) the least, at 60.6%. Figures are from the US Bureau of Transportation Statistics.

Most punctual busy routes

  1. Charleston to Atlanta89.6%
  2. Indianapolis to Atlanta88.1%
  3. Savannah to Atlanta87.9%
  4. Los Angeles to Salt Lake City87.6%
  5. Birmingham to Atlanta87.5%
  6. Kansas City to Atlanta87.2%
  7. Raleigh-durham to Atlanta87.1%
  8. Portland to Los Angeles86.8%
  9. Memphis to Atlanta86.5%
  10. Salt Lake City to Los Angeles86.5%
  11. Los Angeles to Portland86.3%
  12. Los Angeles to San Jose86.2%
  13. Cincinnati to Atlanta86.1%
  14. Anchorage to Seattle86.1%
  15. Spokane to Seattle86%
  16. Honolulu to Kona85.9%
  17. San Jose to Los Angeles85.8%
  18. Seattle to Boise85.8%
  19. Santa Ana to Seattle85.5%
  20. Sacramento to Los Angeles85.5%
  21. Portland to Seattle85.4%
  22. Los Angeles to Seattle85.3%
  23. Columbus to Atlanta85.3%
  24. Boise to Seattle85.2%
  25. St. Louis to Atlanta84.9%

Least punctual busy routes

  1. Las Vegas to San Francisco60.6%
  2. Dallas-Fort Worth to San Francisco60.9%
  3. Seattle to San Francisco62.1%
  4. Burbank to San Francisco62.2%
  5. Los Angeles to San Francisco62.2%
  6. San Diego to San Francisco62.5%
  7. Dallas-Fort Worth to Orlando63.7%
  8. Dallas-Fort Worth to San Diego63.7%
  9. Denver to San Francisco64.6%
  10. Chicago to Milwaukee64.8%
  11. San Francisco to San Diego64.9%
  12. Las Vegas to San Diego65.1%
  13. Oakland to San Diego65.3%
  14. Phoenix to San Francisco65.8%
  15. Fort Lauderdale to New York65.8%
  16. Salt Lake City to San Francisco65.8%
  17. Dallas-Fort Worth to New York66.3%
  18. Washington to New York66.8%
  19. Fort Lauderdale to Boston66.9%
  20. Dallas-Fort Worth to Boston67%
  21. Boston to Fort Lauderdale67%
  22. Dallas-Fort Worth to Nashville67%
  23. Dallas-Fort Worth to San Antonio67%
  24. New York to Washington67.2%
  25. Chicago to New York67.4%

Busiest routes

  1. New York to Chicago11,611 flights · 68%
  2. Chicago to New York11,611 flights · 67.4%
  3. Los Angeles to San Francisco11,235 flights · 62.2%
  4. San Francisco to Los Angeles11,235 flights · 72.8%
  5. Los Angeles to New York10,284 flights · 79%
  6. New York to Los Angeles10,281 flights · 77.2%
  7. Kahului to Honolulu10,075 flights · 84.6%
  8. Honolulu to Kahului10,072 flights · 84.9%
  9. Boston to Washington9,092 flights · 73.6%
  10. Washington to Boston9,090 flights · 71.2%
  11. Denver to Phoenix8,973 flights · 76%
  12. Phoenix to Denver8,944 flights · 77.3%
  13. Atlanta to New York8,413 flights · 73.1%
  14. New York to Atlanta8,411 flights · 76.5%
  15. Las Vegas to Los Angeles8,249 flights · 78.8%
  16. Los Angeles to Las Vegas8,239 flights · 76.6%
  17. Atlanta to Orlando8,208 flights · 70.6%
  18. Orlando to Atlanta8,202 flights · 75.2%
  19. Chicago to Boston7,755 flights · 67.8%
  20. Boston to Chicago7,750 flights · 73%
  21. Denver to Salt Lake City7,733 flights · 78.8%
  22. Salt Lake City to Denver7,728 flights · 79.1%
  23. Lihue to Honolulu7,725 flights · 84.4%
  24. Honolulu to Lihue7,722 flights · 84.6%
  25. Denver to Los Angeles7,708 flights · 79.1%

August 2025 to July 2026, routes with at least 3,000 flights by US airlines. Each route is one direction. Source: US Bureau of Transportation Statistics, public domain.

Questions and answers

Which busy US route is the most punctual?
Charleston (CHS) to Atlanta (ATL): 89.6% of its 3,221 flights arrived within 15 minutes of schedule from August 2025 to July 2026, the highest of 528 US routes with at least 3,000 flights.
Which busy US route is the least punctual?
Las Vegas (LAS) to San Francisco (SFO), with 60.6% of 6,115 flights on time from August 2025 to July 2026.
What is the busiest domestic route in the US?
New York (LGA) to Chicago (ORD), with 11,611 scheduled flights by US airlines from August 2025 to July 2026, about 32 a day.

More rankings: the US airline on-time league table and US airports by punctuality. Look up any other route in flight stats.

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