Route
IAH → JFK
George Bush Intercontinental Airport John F. Kennedy International Airport
1,417 miles
Return route JFK → IAH →
How punctual is this route?
- On-time arrivals
- 63.8%
- Less than 15 minutes late
- Cancelled
- 6.7%
- Of scheduled flights
- Average delay when late
- 133 min
- Flights arriving 15+ minutes late
- Flights tracked
- 475
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 47%
- Late-arriving aircraft 33%
- Air traffic control & airport 20%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 95.7% | 23 |
| October 2025 | 70.0% | 31 |
| November 2025 | 82.8% | 29 |
| December 2025 | 60.7% | 31 |
| January 2026 | 84.6% | 29 |
| February 2026 | 84.0% | 28 |
| March 2026 | 72.4% | 31 |
| April 2026 | 89.7% | 30 |
| May 2026 | 71.2% | 53 |
| June 2026 | 59.4% | 66 |
| July 2026 | 26.0% | 62 |
| August 2026 | 32.7% | 62 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Delta Air Lines | 269 | 78.9% | 4.1% | 91 min |
| JetBlue Airways | 206 | 42.5% | 10.2% | 154 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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