IAH to JFK flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to John F. Kennedy International Airport · 1,417 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or JFK right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (IAH) to New York (JFK) arrived on time 68% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 5.3% were cancelled, and 15% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (79% on time); JetBlue was the least (47%).
- Departures scheduled around 12pm did best (78% on time); around 6pm did worst (41%).
- Saturday was the most reliable day to fly (78% on time) and Wednesday the least (60%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
Which airline is most on time from IAH to JFK?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 79% | 4.1% | 19 min | 7.0% | 269 |
| JetBlue | 47% | 7.6% | 74 min | 29.5% | 144 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 11am52%68 flights
- 12pm78%273 flights
- 5pm52%21 flights
- 6pm41%51 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%6.8% cancelled
- Tuesday71%5.1% cancelled
- Wednesday60%1.7% cancelled
- Thursday62%3.3% cancelled
- Friday63%6.6% cancelled
- Saturday78%6.9% cancelled
- Sunday73%7.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)47%
- Late-arriving aircraft33%
- Air traffic control & airport congestion19%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)59%
- Extreme weather23%
- Air traffic control & airport congestion18%
- Security0%
IAH to JFK: common questions
- How often are IAH to JFK flights on time?
- 68% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Houston to New York cancelled?
- 5.3% of scheduled flights were cancelled (22 of 413).
- How long are typical delays?
- Across all flights the average arrival delay was 37 min (early arrivals count as zero). Flights that were late arrived 114 min behind schedule on average, and 14.5% of flights were an hour or more late.
- How long is taxi time at IAH?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: JFK to IAH — 75% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAH → JFK, nonstop flights by US airlines that report to the DOT. How we calculate this.