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Route Reliability

New York → Houston

JFK–IAH · 1,417 miles · John F. Kennedy International Airport to George Bush Intercontinental Airport

74
Usually Fine
WanderNerd Reliability Score
81%
Arrive within 15 minutes
3 min early
Average arrival delay
3.4%
Cancelled
296
Flights in the data

Data through May 2026.

Airlines on this route

  • Delta Air Lines84% on time · 263 flights
  • JetBlue Airways58% on time · 33 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning flights do better here.

JFK–IAH flights departing between 6–9 AM arrived on time 83% of the time, versus 50% between 12–3 PM.

Thursdays have been rough.

JFK–IAH flights arrived on time 90% of the time on Sundays and just 71% on Thursdays. That gap is worth planning around.

Keep a backup plan handy.

This route was cancelled 3.4% of the time. Typical for U.S. flights is around 1–2%.

Flights on this route

The breakdown

On-time by weekday
  • Mon87%(39 flights)
  • Tue85%(41 flights)
  • Wed78%(40 flights)
  • Thu71%(42 flights)
  • Fri83%(41 flights)
  • Sat73%(41 flights)
  • Sun90%(41 flights)
On-time by departure window
  • 6–9 AM83%(250 flights)
  • 9 AM–12 PM79%(19 flights)
  • 12–3 PM50%(16 flights)
On-time trend by month
62%
May

Jun 64% → May 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%11
September 202587%23
October 202577%30
November 202597%29
December 202576%29
January 202677%26
February 202692%25
March 202687%30
April 2026100%29
May 202662%53

Same trip, other airports

Keep nerding

Based on 296 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.