Houston (IAH) to New York (JFK): On-Time Performance
Data through May 2026
Houston (IAH) to New York (JFK) is a thinner route than most in this dataset — 296 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 74% arrived on time.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 2.6%
- Flights/day
- 0.81
- last 12 months
- Duration
- 3h 40m
- scheduled
- Distance
- 1,417 mi
Best airline from IAH to JFK
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 79% | 19 min | 4.2% | 263 |
| JetBlue Airways | 71% | 26 min | 1.5% | 389 |
Monthly on-time trend
Best time to fly from IAH to JFK
Aim for departures around 12 p.m. (79% on-time); avoid 11 a.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 19 min |
| Tuesdaybest | 82% | 27 min |
| Wednesday | 74% | 28 min |
| Thursday | 65% | 27 min |
| Friday | 71% | 23 min |
| Saturday | 77% | 17 min |
| Sunday | 68% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations37%
- National airspace system25%
- Weather1%
Frequently asked questions
- How often are flights from IAH to JFK delayed?
- 26% of IAH–JFK flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 23 minutes.
- Which airline is most reliable from IAH to JFK?
- Delta Air Lines has the best on-time record on this route at 79%, based on 263 flights. 2 airlines flew IAH–JFK frequently enough to compare in this period.
- What is the best time of day to fly from IAH to JFK?
- Departures around 12 p.m. have the best record (79% on-time), while departures around 11 a.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAH to JFK?
- The scheduled IAH–JFK flight time averages 3h 40m over 1,417 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are IAH to JFK flights cancelled?
- 2.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from IAH to JFK?
- December 2024 was the roughest month in this dataset, with only 55% of arrivals on time. The best was September 2025 at 96%. If your dates are flexible, that 41-point gap is worth planning around.
Explore related pages
More routes from IAH
Other ways to fly to New York (JFK)
Related guides
Based on 652 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.