Carrier route record
F9ORD→JFK
Frontier Airlines · Chicago to New York
- Flights
- 117
- Period
- July 2025 to June 2026
- Share of route
- 6%
- Carriers
- 5
Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with Frontier Airlines.
Frontier on ORD to JFK draws a D−. Roughly one flight in two arrives at least 15 minutes late, and the typical late arrival is close to two hours behind schedule. Build slack into anything you connect to. That rests on 117 flights. The strongest carrier on the route with a full sample, JetBlue Airways, flew 571 at 81.8% on time.
JetBlue Airways is the most reliable of the three carriers covered here at 81.8% on time across 571 flights.
Key figures
On time
59.8%
Arrivals under 15 minutes late, of 112 completed flights
Avg delay
100 min
Across delayed arrivals only, not all flights
Cancelled
4.27%
National rate is 1.81%
Whole route
73.4%
Every carrier on ORD to JFK, 2,012 flights
These figures cover 117 flights between July 2025 and June 2026. Beyond the headline rate, 21.4% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.
Carrier by carrier
Frontier against every carrier on ORD to JFK
Frontier flew 117 of the 2,012 flights on ORD to JFK, about 6% of it. Its 59.8% on time is 14 points worse than the route as a whole, which runs 73.4%. Ranked by on-time rate it is last of five carriers on the route, where the range runs from Delta at 92.3% to Frontier at 59.8%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.
The choice of carrier is not cosmetic here. JetBlue Airways arrives on time 81.8% of the time; American Airlines manages 61.7%. Sample sizes sit next to every figure, because a two-point gap across 551 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Delta Air Linesthin sample | 14 | 92.3% | 221 min | 7.14% | A− |
| JetBlue Airways | 571 | 81.8% | 103 min | 4.38% | B− |
| Republic Airways | 759 | 77.1% | 77 min | 2.11% | B |
| American Airlines | 551 | 61.7% | 99 min | 5.08% | D− |
| Frontier Airlines (this page)thin sample | 117 | 59.8% | 100 min | 4.27% | D− |
American Airlines cancels 5.1% of what it schedules here, the highest in the table. A cancelled flight never appears in an on-time rate, so read that column alongside the punctuality one rather than after it.
Departure window
When Frontier runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 30 points, against 20 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am55 flights69.8%
- 8am–11am14 flights—
- 11am–2pm48 flights40.0%
- 2pm–5pm—
- 5pm–8pm—
- 8pm–5am—
Scale runs 30% to 75%. Rows with fewer than 30 flights show a dash.
The weak window here is the middle of the day, not the evening: 11am–2pm runs 40.0% on time against 69.8% for 5am–8am. That shape usually means a departure bank rather than an accumulating delay, so the recovery later in the afternoon is real rather than noise. The 5am–8am window is the busiest, with 55 flights scheduled in it.
Across the year
Frontier on ORD to JFK through the year
- Oct–Dec 202557 flights70.9%
- Jan–Mar 202660 flights49.1%
Scale runs 40% to 75%. Rows with fewer than 30 flights show a dash.
Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 59.8% on time across 117 flights.
Split by quarter, Frontier on ORD to JFK logged 57 flights in Oct–Dec 2025 and 60 flights in Jan–Mar 2026. Fewer than three of those quarters carried the 30 completed flights this site needs before printing a rate, so the 59.8% annual figure is the one to use.
Delay causes
Why Frontier runs late on this route
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 4,498 reported delay minutes.
- 42%Carrier
- 39%Late-arriving aircraft
- 16%National Airspace System
- 4%Extreme weather
39% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 4,498 reported delay minutes here, that single category outweighs weather by 10 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 4,498 reported delay minutes.
The largest share of delay minutes, 42%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 1,869 of the 4,498 delay minutes reported here.
Cancellations run at 4.27%, against 1.81% nationally. That is about one flight in 25 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
Connections and stage length
What a delay here costs
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 21.4% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.
The 740 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.
The return leg is a different operation and performs like one: it runs 51.4% on time across 116 flights, 8 points below this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 8 points of difference.
One caution: this is a thin sample. 117 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking Frontier on ORD to JFK
Put together: the delay figures matter less here than the 4.27% cancellation rate. A late arrival costs you close to two hours; a cancelled flight costs you the day. Book the 5am–8am departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 112 completed flights over 12 months sit behind that.
Related
Where to go next
- ORD to JFK, every carrier
- Frontier on JFK to ORD, the return leg
- JetBlue Airways on ORD to JFK81.8%
- Republic Airways on ORD to JFK77.1%
- American Airlines on ORD to JFK61.7%
- Frontier Airlines network-wide record
- Chicago O'Hare International (ORD) delay statistics
- John F. Kennedy International (JFK) delay statistics
- The US routes with the most cancellations
- Same route, different airline: where the carrier you pick matters most
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.