Route
JFK → ONT
John F. Kennedy International Airport Ontario International Airport
2,429 miles
Return route ONT → JFK →
How punctual is this route?
- On-time arrivals
- 58.2%
- Less than 15 minutes late
- Cancelled
- 4.2%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 165
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 37%
- Late-arriving aircraft 30%
- Airline (crew, maintenance, cleaning) 22%
- Extreme weather 9%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 66.7% | 30 |
| October 2025 | 48.0% | 25 |
| May 2026 | 83.3% | 18 |
| June 2026 | 58.6% | 30 |
| July 2026 | 44.8% | 31 |
| August 2026 | 55.6% | 31 |
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 |
|---|---|---|---|---|
| JetBlue Airways | 165 | 58.2% | 4.2% | 80 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
B6355
42% late · 165 flights
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