IAD to JFK flight delays & on-time performance
Nonstop flights from Washington Dulles International Airport to John F. Kennedy International Airport · 228 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAD or JFK right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Washington (IAD) to New York (JFK) arrived on time 57% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 4.8% were cancelled, and 12% arrived an hour or more late.
- Republic Airways is the only airline reporting nonstop flights on this route.
- Departures scheduled around 1pm did best (69% on time); around 12pm did worst (51%).
- Saturday was the most reliable day to fly (74% on time) and Sunday the least (38%).
- The largest source of delay minutes was air traffic control & airport congestion (58%).
Which airline is most on time from IAD to JFK?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 57% | 4.8% | 29 min | 11.5% | 146 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12pm51%79 flights
- 1pm69%36 flights
- 7pm57%31 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday47%9.5% cancelled
- Tuesday58%9.5% cancelled
- Wednesday50%4.8% cancelled
- Thursday60%4.8% cancelled
- Friday71%0.0% cancelled
- Saturday74%5.0% cancelled
- Sunday38%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion58%
- Airline (crew, maintenance, cleaning, fueling)27%
- Late-arriving aircraft11%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)71%
- Air traffic control & airport congestion29%
- Extreme weather0%
- Security0%
IAD to JFK: common questions
- How often are IAD to JFK flights on time?
- 57% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Washington to New York cancelled?
- 4.8% of scheduled flights were cancelled (7 of 146).
- How long are typical delays?
- Across all flights the average arrival delay was 29 min (early arrivals count as zero). Flights that were late arrived 64 min behind schedule on average, and 11.5% of flights were an hour or more late.
- How long is taxi time at IAD?
- Flights on this route spent 33 min taxiing from the gate to takeoff on average.
Related routes
Return trip: JFK to IAD — 87% on time
More flights from Washington
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAD → JFK, nonstop flights by US airlines that report to the DOT. How we calculate this.