Route · ONT → JFK · 2020–2025 BTS data
Ontario to New York
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ONT to JFK (Ontario to New York) ranks #4473 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 67%
- On-time
- -12 pts
- vs US avg
- 114 min
- Delay when late
- 1,041
- Flights
- #4473 of 4927
- Corpus placement
Cancelled
2.2%
Best Month
N/A
Worst Month
N/A
Distance
2,429 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Sep 2025 | 30 | 8 | 0 | 0 | B6 |
| Aug 2025 | 31 | 5 | 0 | 0 | B6 |
| Jul 2025 | 31 | 9 | 2 | 1 | B6 |
| Jun 2025 | 30 | 6 | 0 | 0 | B6 |
| May 2025 | 31 | 6 | 0 | 0 | B6 |
| Sep 2024 | 30 | 3 | 0 | 0 | B6 |
| Aug 2024 | 31 | 8 | 3 | 0 | B6 |
| Jul 2024 | 31 | 10 | 0 | 0 | B6 |
| Jun 2024 | 30 | 6 | 1 | 0 | B6 |
| May 2024 | 31 | 4 | 0 | 0 | B6 |
| Apr 2024 | 30 | 6 | 0 | 0 | B6 |
| Mar 2024 | 31 | 5 | 1 | 0 | B6 |
| Jan 2024 | 31 | 10 | 0 | 0 | B6 |
| Dec 2023 | 31 | 12 | 0 | 0 | B6 |
| Nov 2023 | 30 | 6 | 0 | 0 | B6 |
| Oct 2023 | 31 | 10 | 0 | 0 | B6 |
| Sep 2023 | 30 | 15 | 2 | 0 | B6 |
| Aug 2023 | 31 | 15 | 3 | 0 | B6 |
| Jul 2023 | 31 | 14 | 2 | 0 | B6 |
| Jun 2023 | 30 | 18 | 0 | 0 | B6 |
| May 2023 | 31 | 17 | 0 | 0 | B6 |
| Apr 2023 | 30 | 21 | 2 | 0 | B6 |
| Mar 2023 | 31 | 19 | 0 | 0 | B6 |
| Jan 2023 | 31 | 10 | 0 | 0 | B6 |
ONT–JFK seasonal on-time pattern
Best: May (71.8%) · weakest: April (54.4%)
Strongest calendar month
May
71.8% on-time · ~31 flights/mo
Busiest calendar month
January
~31 flights/mo avg
Weakest calendar month
April
54.4% on-time · ~30 flights/mo
Cancellation Rate
2.2%
16 of 735 flights
Diversion Rate
0.1%
1 of 735 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ONT - Ontario
Full on-time, delay-cause, and seasonal performance for Ontario, CA.
ONT on-time profileJFK - New York
Full on-time, delay-cause, and seasonal performance for New York, NY.
JFK on-time profileCompare the two airports
See ONT and JFK side by side on delays, cancellations, and reliability.
Compare ONT vs JFKOrigin-hub reliability standing
Softer reliability from ONT
Among 21 routes leaving ONT, only 2 (including this one) clear below 75% on-time, while 10 stay ≥85% and 9 sit mid-band. Travelers comparing ONT options should weigh this 67% print against those peers · fleet on-time rank #4883 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to ONT–JFK.
Routes with a similar on-time rate
What the Data Says About ONT to JFK
On-time performance on the ONT to JFK pairing (Ontario to New York) trails a chunk of the network: 67% of 1,041 tracked flights arrived on schedule, with a 114.1-minute average delay on the ones that ran late. The route spans about 2,429 miles across 1 carrier. Cancellations over the trailing 24 months hit 2.2% (16 of 735 flights), with 0.1% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
On the multi-year calendar, ONT–JFK peaks in May at 71.8% on-time while January carries the heaviest traffic (~31 flights per month) ; the softest month is April at 54.4%, a 17.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does ONT to JFK rank among US routes by traffic? ▼
How often are flights delayed from ONT to JFK? ▼
What is the cancellation rate for ONT to JFK? ▼
How far is the flight from ONT to JFK? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using ONT–JFK data
ONT–JFK sits 12 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare ONT and JFK airport profiles: delay causes and top routes differ even on the same corridor. ONT airport
- If your dates flex, May (71.8% on-time) beats April (54.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 67% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.