Washington (IAD) to New York (JFK): On-Time Performance
Data through July 2026
Washington (IAD) to New York (JFK) is a thinner route than most in this dataset — 146 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 67% arrived on time, noticeably below the national average of 78%. Cancellations are the bigger caveat: 3% of scheduled flights never departed.
- On-time
- 67%
- arrived <15 min late
- Avg delay
- 26 min
- completed flights
- Cancelled
- 3.0%
- Flights/day
- 0.40
- last 12 months
- Duration
- 1h 31m
- scheduled
- Distance
- 228 mi
Best airline from IAD to JFK
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Endeavor Airmost reliable | 84% | 14 min | 0.0% | 75 |
| SkyWest Airlines | 68% | 28 min | 2.9% | 341 |
| Republic Airways | 57% | 29 min | 4.8% | 146 |
Monthly on-time trend
Best time to fly from IAD to JFK
Aim for departures around 11 a.m. (76% on-time); avoid 7 p.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 63% | 28 min |
| Tuesdaybest | 76% | 18 min |
| Wednesday | 73% | 33 min |
| Thursday | 58% | 35 min |
| Friday | 69% | 25 min |
| Saturday | 65% | 22 min |
| Sunday | 67% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft5%
- Airline operations44%
- National airspace system32%
- Weather19%
Frequently asked questions
- How often are flights from IAD to JFK delayed?
- 33% of IAD–JFK flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 26 minutes.
- Which airline is most reliable from IAD to JFK?
- Endeavor Air has the best on-time record on this route at 84%, based on 75 flights. 3 airlines flew IAD–JFK frequently enough to compare in this period.
- What is the best time of day to fly from IAD to JFK?
- Departures around 11 a.m. have the best record (76% on-time), while departures around 7 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAD to JFK?
- The scheduled IAD–JFK flight time averages 1h 31m over 228 miles. Actual arrival times vary — flights on this route land 15+ minutes late 33% of the time.
- How often are IAD to JFK flights cancelled?
- 3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from IAD to JFK?
- June 2026 was the roughest month in this dataset, with only 40% of arrivals on time. The best was October 2024 at 92%. If your dates are flexible, that 52-point gap is worth planning around.
Explore related pages
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Related guides
Based on 562 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.