Flight profile · Republic Airways
YX4587
Pittsburgh (PIT) to New York (JFK) · scheduled 5:39 AM – 7:29 AM
How YX4587 performs
531 operations, 2023-07-01 to 2026-06-30.
YX4587 arrived on time 93.5% of the time, against 87.6% for all PIT → JFK flights — this specific departure is 5.9 percentage points better than the route as a whole. Against Republic Airways’s own flights on this route it is 4.4 points better.
Source: US DOT Bureau of Transportation Statistics · 531 operations between 2023-07-01 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| YX4587 | 93.5% | 1.32% | -14 min | 1.9% | 531 |
| Republic Airways on PIT → JFK | 89.1% | 1.73% | -12 min | 3.9% | 3,939 |
| All PIT → JFK flights | 87.6% | 2.34% | -12 min | 4.7% | 5,255 |
Source: FlyerIntel analysis of US DOT BTS data · 2023-07-01 to 2026-06-30
Other routes YX4587 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| BWI→ORD Baltimore to Chicago | 2026-03-09 – 2026-04-06 | 29 | — |
| CHS→DCA Charleston to Washington | 2026-02-12 – 2026-02-12 | 1 | — |
| JFK→PIT New York to Pittsburgh | 2026-01-06 – 2026-02-11 | 37 | — |
| EWR→ORD Newark to Chicago | 2025-12-26 – 2026-01-05 | 11 | — |
| ORD→EWR Chicago to Newark | 2025-12-26 – 2026-01-05 | 11 | — |
| LGA→BOS New York to Boston | 2025-12-20 – 2025-12-20 | 1 | — |
| ORD→PNS Chicago to Pensacola | 2025-12-03 – 2025-12-17 | 7 | — |
| PNS→ORD Pensacola to Chicago | 2025-12-03 – 2025-12-17 | 7 | — |
| DCA→SYR Washington to Syracuse | 2024-11-05 – 2025-12-02 | 51 | — |
| PIT→LGA Pittsburgh to New York | 2025-06-05 – 2025-06-05 | 1 | — |
| IND→PHL Indianapolis to Philadelphia | 2025-05-05 – 2025-06-04 | 29 | — |
| PHL→IND Philadelphia to Indianapolis | 2025-05-05 – 2025-06-04 | 29 | — |
| PHL→SRQ Philadelphia to Sarasota/Bradenton | 2025-02-15 – 2025-03-01 | 3 | — |
| BNA→MIA Nashville to Miami | 2025-01-11 – 2025-02-08 | 5 | — |
| PHL→BNA Philadelphia to Nashville | 2024-12-26 – 2025-01-04 | 9 | — |
| BDL→DCA Hartford to Washington | 2024-12-05 – 2024-12-18 | 14 | — |
| DCA→BDL Washington to Hartford | 2024-12-05 – 2024-12-18 | 14 | — |
| JFK→CLE New York to Cleveland | 2023-11-05 – 2024-03-31 | 133 | 93.9% |
Because the same number has served different journeys, the statistics above describe only the route YX4587 currently operates. Blending them would produce an average of two different flights.
When it goes wrong
The average describes a usual day. This is the day that ruins a connection.
4 min late
against a median of 14 min early
Percentiles over 531 operations. Cancelled and diverted flights have no arrival time and are counted separately rather than as very late arrivals.
Why YX4587 runs late
Where US DOT attributed the delay minutes on this flight.
crew, maintenance, boarding, fuelling — within the carrier’s control
airspace and airport capacity, including weather-driven flow control
the inbound aircraft was late, so this flight started late
weather severe enough to stop this flight specifically
Share of the delay minutes US DOT attributed to each cause for YX4587 on PIT → JFK. A single late flight can carry more than one cause, and only delays of fifteen minutes or more are attributed at all.
Other departures on PIT → JFK
Same airports, same journey — and not the same odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| YX4568 | Republic Airways | 87.3% | 9 min early | 663 |
Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. Schedules change; confirm the departure still operates before booking around this.
Data and methodology
Calculated by FlyerIntel from 531 records of YX4587 operating PIT → JFK, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.
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