Airport month record
JFKJUN
John F. Kennedy International in June 2026
- Departures
- 8,750
- Month
- June 2026
- National, same month
- 74.3%
- Carriers
- 6
Historical statistics for June 2026, not live status or a forecast for this year’s June. For today’s conditions at JFK, see live FAA status.
JFK in June sits in the middle of the pack with a B. Close to three flights in four arrive on time by the DOT's definition, level with the national rate of 74.3%. The late ones land a little over an hour behind schedule. That rests on 8,750 flights, of which Republic Airways flew 1,200 at 79.6% on time.
Republic Airways is the most reliable of the four carriers covered here at 79.6% on time across 1,200 flights.
Key figures
On time
75.0%
Arrivals under 15 minutes late, of 8,536 completed departures
Avg delay
78 min
Across delayed arrivals only, not all flights
Cancelled
2.02%
Nationally in June: 1.65%
Whole year
75.7%
JFK across all twelve months
These figures cover 8,750 departures from John F. Kennedy International in June 2026. On time means an arrival less than 15 minutes after the scheduled gate time, the DOT's threshold, and the national comparison uses every US departure in the same month rather than the whole year.
Against the year
June next to JFK's other months
Against JFK's own year, June ran level with the twelve-month rate of 75.7%, which makes it number eight of twelve months, best first.
| Month | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| July 2025 | 9,262 | 67.8% | 91 min | 6.23% | C− |
| August 2025 | 9,110 | 79.0% | 75 min | 0.92% | B+ |
| September 2025 | 8,567 | 81.8% | 74 min | 0.74% | B+ |
| October 2025 | 8,928 | 74.2% | 69 min | 1.46% | C |
| November 2025 | 8,626 | 75.8% | 72 min | 2.83% | B |
| December 2025 | 8,856 | 65.6% | 76 min | 4.02% | C− |
| January 2026 | 8,022 | 73.6% | 69 min | 7.12% | C− |
| February 2026 | 7,458 | 75.2% | 74 min | 8.76% | B− |
| March 2026 | 8,392 | 76.4% | 75 min | 2.10% | B |
| April 2026 | 8,254 | 81.6% | 59 min | 0.24% | B+ |
| May 2026 | 8,535 | 82.1% | 73 min | 1.08% | B |
| June 2026 (this page) | 8,750 | 75.0% | 78 min | 2.02% | B |
Departure window
The best time of day to leave JFK in June
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 26 points, against 8 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am1,395 flights87.3%
- 8am–11am1,625 flights84.4%
- 11am–2pm1,289 flights81.6%
- 2pm–5pm1,569 flights70.9%
- 5pm–8pm1,579 flights63.4%
- 8pm–5am1,293 flights61.6%
Scale runs 55% to 95%. Rows with fewer than 30 flights show a dash.
The 8pm–5am window is where this operation falls apart: 61.6% on time, against 87.3% for the 5am–8am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 8am–11am window is the busiest, with 1,625 flights scheduled in it.
Across the week, Tuesday is the strongest day at 83.9% on time and Sunday the weakest at 65.8%. 18 points is a smaller lever than departure hour, but it is free.
Carrier by carrier
Which airlines ran best at JFK in June
The choice of carrier is not cosmetic here. Republic Airways arrives on time 79.6% of the time; JetBlue Airways manages 71.3%. Sample sizes sit next to every figure, because a two-point gap across 3,215 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| JetBlue Airways | 3,215 | 71.3% | 74 min | 2.18% | C |
| Delta Air Lines | 2,575 | 77.2% | 69 min | 1.01% | B |
| American Airlines | 1,373 | 76.3% | 102 min | 1.82% | B |
| Republic Airways | 1,200 | 79.6% | 83 min | 4.50% | B− |
| Alaska Airlinesthin sample | 357 | 71.8% | 74 min | 0.56% | C+ |
| Frontier Airlinesthin sample | 30 | 66.7% | 123 min | 0.00% | C+ |
Republic Airways cancels 4.5% 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.
Route by route
Busiest routes out of JFK in June
| Route | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| JFK to LAX · Los Angeles | 822 | 70.3% | 82 min | 1.22% | C |
| JFK to SFO · San Francisco | 611 | 60.9% | 66 min | 0.98% | D+ |
| JFK to BOS · Boston | 428 | 75.3% | 90 min | 3.50% | B− |
| JFK to MCO · Orlando | 373 | 76.7% | 75 min | 1.07% | B |
| JFK to MIA · Miamithin sample | 360 | 79.9% | 139 min | 1.67% | B |
| JFK to ATL · Atlantathin sample | 342 | 80.5% | 82 min | 0.58% | B+ |
| JFK to LAS · Las Vegasthin sample | 317 | 78.5% | 60 min | 0.32% | B+ |
| JFK to SJU · San Juanthin sample | 289 | 78.9% | 72 min | 1.04% | B |
| JFK to FLL · Fort Lauderdalethin sample | 285 | 81.2% | 75 min | 3.16% | B− |
| JFK to SEA · Seattlethin sample | 270 | 76.1% | 90 min | 0.74% | B+ |
| JFK to PHX · Phoenixthin sample | 257 | 74.2% | 61 min | 0.39% | C+ |
| JFK to DCA · Washingtonthin sample | 210 | 69.7% | 73 min | 7.14% | C− |
| JFK to SAN · San Diegothin sample | 207 | 75.0% | 62 min | 0.48% | B+ |
| JFK to AUS · Austinthin sample | 205 | 78.1% | 117 min | 0.98% | B+ |
| JFK to ORD · Chicagothin sample | 202 | 79.8% | 100 min | 5.94% | B− |
| JFK to TPA · Tampathin sample | 200 | 75.1% | 82 min | 1.50% | B |
| JFK to RDU · Raleighthin sample | 186 | 75.3% | 72 min | 4.30% | B− |
| JFK to DFW · Dallas-Fort Worththin sample | 180 | 72.9% | 86 min | 3.89% | C− |
| JFK to PBI · West Palm Beachthin sample | 157 | 80.0% | 66 min | 3.18% | B− |
| JFK to CLT · Charlottethin sample | 156 | 78.1% | 91 min | 0.64% | B+ |
| JFK to SLC · Salt Lake Citythin sample | 150 | 72.0% | 75 min | 0.00% | C+ |
| JFK to PIT · Pittsburghthin sample | 150 | 67.8% | 78 min | 2.00% | C |
| JFK to DEN · Denverthin sample | 137 | 74.1% | 58 min | 1.46% | C |
| JFK to BUF · Buffalothin sample | 118 | 75.7% | 75 min | 5.08% | B− |
| JFK to DTW · Detroitthin sample | 117 | 73.9% | 76 min | 5.13% | C− |
Delay causes
What held JFK up in June
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 167,000 reported delay minutes.
- 38%Late-arriving aircraft
- 31%Carrier
- 28%National Airspace System
- 3%Extreme weather
- 0%Security
38% 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 167,000 reported delay minutes here, that single category outweighs weather by 12 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 167,010 reported delay minutes.
Cancellations sit at 2.02% against a national 1.65%, which is ordinary. Diversions add another 0.42%.
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 10.9% of arrivals land a full hour or more behind schedule, against 9.7% 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.
What to do with this
Flying from JFK in June
For a June trip through JFK: expect 75.0% on time and 2.02% cancelled, going by June 2026. The 5am–8am window was the strongest part of the day.
Related
Where to go next
- John F. Kennedy International (JFK), the whole year
- JFK in July67.8%
- JFK in August79.0%
- JFK in September81.8%
- JFK in October74.2%
- JFK in November75.8%
- JFK in December65.6%
- JFK in January73.6%
- JFK in February75.2%
- JFK in March76.4%
- JFK in April81.6%
- JFK in May82.1%
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.