New York (JFK) to Washington (IAD): On-Time Performance
Data through July 2026
New York (JFK) to Washington (IAD) 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, 82% arrived on time.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 0.40
- last 12 months
- Duration
- 1h 32m
- scheduled
- Distance
- 228 mi
Best airline from JFK to IAD
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Endeavor Airmost reliable | 92% | 4 min | 0.0% | 74 |
| Republic Airways | 87% | 12 min | 1.4% | 146 |
| SkyWest Airlines | 78% | 22 min | 0.9% | 342 |
Monthly on-time trend
Best time to fly from JFK to IAD
Aim for departures around 4 p.m. (97% on-time); avoid 3 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 15 min |
| Tuesday | 84% | 15 min |
| Wednesdaybest | 91% | 13 min |
| Thursday | 75% | 20 min |
| Friday | 79% | 22 min |
| Saturday | 78% | 16 min |
| Sunday | 84% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft3%
- Airline operations50%
- National airspace system28%
- Weather20%
Frequently asked questions
- How often are flights from JFK to IAD delayed?
- 18% of JFK–IAD 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 17 minutes.
- Which airline is most reliable from JFK to IAD?
- Endeavor Air has the best on-time record on this route at 92%, based on 74 flights. 3 airlines flew JFK–IAD frequently enough to compare in this period.
- What is the best time of day to fly from JFK to IAD?
- Departures around 4 p.m. have the best record (97% on-time), while departures around 3 p.m. have the worst (72%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from JFK to IAD?
- The scheduled JFK–IAD flight time averages 1h 32m over 228 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are JFK to IAD flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from JFK to IAD?
- August 2024 was the roughest month in this dataset, with only 54% of arrivals on time. The best was April 2026 at 100%. If your dates are flexible, that 46-point gap is worth planning around.
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Based on 562 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.