Flight profile · Republic Airways
YX5630
Boston (BOS) to Charlotte (CLT) · scheduled 11:15 AM – 1:45 PM
How YX5630 performs
689 operations, June 2024 – July 2026.
YX5630 arrived on time 87.6% of the time, against 81.3% for all BOS → CLT flights, so this departure is 6.3 percentage points better than the route as a whole. Against Republic Airways’ own flights on this route it is 5.3 points better.
Source: US DOT Bureau of Transportation Statistics · 689 operations, June 2024 – July 2026 · If YX5630 is cancelled or significantly changed, DOT’s automatic refund rule may entitle you to your money back. The refund checker walks through eligibility.
Where YX5630 is right now
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Against the rest of the route
| Flight or route | On time | Cancelled | Median delay | Severe | Flights |
|---|---|---|---|---|---|
| YX5630 | 87.6% | 1.60% | -11 min | 4.3% | 689 |
| Republic Airways on BOS → CLT | 82.3% | 2.12% | -10 min | 6.2% | 4,104 |
| All BOS → CLT flights | 81.3% | 2.00% | -12 min | 7.7% | 14,296 |
Source: FlyerIntel analysis of US DOT BTS data · June 2024 – July 2026
Why YX5630 runs late
Where US DOT attributed the delay minutes on this flight.
crew, maintenance, boarding and fueling, all 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 YX5630 on BOS → CLT. Only delays of 15 minutes or more are attributed.
Source: US DOT Bureau of Transportation Statistics · Data covering June 2024 – July 2026
Does a late aircraft delay this flight?
How often the plane that flies YX5630 comes in late, and what that does to the departure.
The aircraft flying YX5630 came in 15 or more minutes late on 9% of the departures where its previous flight is known. There are not enough departures in both groups to say how the flight left after a late one and after an on-time one.
Each departure is matched to the flight the same aircraft flew into BOS just before it, using the tail number in the DOT file, 662 of 678 departures in all. A departure is left out when that flight is unknown, was cancelled or diverted, or the aircraft had sat for more than 12 hours. A flight the airline cancelled never left and is not in the count, and one flown by a substitute aircraft is matched to the aircraft that flew it, not to the one first planned.
Against the network at the same turn length
| Share of departures | Inbound landed 15+ late |
|---|---|
| YX5630 | 9% |
| Network, same turn | 18% |
The schedule leaves a normal turn: enough time to clean and board if the aircraft is on time, little to spare if it is not.
The network row is every flight with a scheduled turn of 45 to 59 minutes. How often YX5630’s aircraft landed 15 or more minutes late is lower than the network’s. There are not enough departures in both groups to compare how it left.
More: Which Flight Numbers Pay for a Late Aircraft lists the flight numbers that pass a late aircraft on.
Source: US DOT Bureau of Transportation Statistics · Data covering June 2024 – July 2026
From pushback to gate
When it leaves BOS late, does that still matter by the time it reaches CLT?
YX5630 pushes back an average of 1.4 minutes late and reaches the gate at CLT an average of 3.3 minutes early. The 4.7 minutes between those two figures are slack the published schedule already carries, which is why a late pushback on this flight does not reliably become a late arrival. It spends 20.9 minutes on the taxiways at BOS, 2.0 minutes longer than a typical BOS departure in the same hour.
On arrival at CLT, YX5630 spends 11.6 min taxiing from touchdown to the gate — ground time a connecting passenger sits through before they can even leave the aircraft, on top of however late the flight itself ran. That is 1.2 minutes shorter than a typical CLT arrival (12.8 min).
Departure delay is averaged over every pushback and arrival delay over every completed arrival, so the two counts differ by the flights that never reached CLT. Taxi-out is gate to wheels up and sits inside the scheduled block rather than on top of it; the comparison is 24,250 departures from BOS scheduled in the clock hour YX5630 most often leaves in. Taxi-in is landing to gate, compared against every arrival FlyerIntel has on file at CLT (618,237 flights), not just YX5630’s own. More on taxi time.
Source: FlyerIntel analysis of US DOT BTS data · June 2024 – July 2026
The hour it leaves BOS
Part of any flight’s record belongs to the clock rather than to the flight. YX5630 has one departure time, so this is what that time is worth.
On-time arrival rate. 24,250 departures from BOS are scheduled in the 11 AM–12 PM hour over the period, against 440,893 across the whole day.
YX5630 is scheduled out of BOS at 11:15 AM, in the 11 AM–12 PM bank. Departures from BOS in that hour arrive on time 81.9% of the time against 77.2% across the airport’s whole day — the slot alone is worth 4.7 points better before anything about this particular flight is considered.
The two airport figures cover every departure from BOS to every destination, so they describe the slot rather than this journey — the like-for-like comparison against the route is above. Hours are scheduled local, and a number whose schedule moved between banks inside the period has no single hour and is not described here at all. Why the hour matters.
Source: FlyerIntel analysis of US DOT BTS data · June 2024 – July 2026 · Hours below 120 departures are not scored.
Other routes YX5630 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 |
|---|---|---|---|
| CLT→BOS Charlotte to Boston | September 9, 2024 – July 31, 2026 | 381 | 71.5% |
| DCA→MIA Washington to Miami | December 20, 2025 – January 4, 2026 | 16 | — |
| MIA→DCA Miami to Washington | December 20, 2025 – January 4, 2026 | 16 | — |
| JFK→CHS New York to Charleston | November 6, 2025 | 1 | — |
| PWM→LGA Portland to New York | May 11, 2025 – June 1, 2025 | 4 | — |
| SAV→JFK Savannah to New York | April 19, 2025 – May 3, 2025 | 3 | — |
| LGA→ORF New York to Norfolk | October 12, 2024 – November 9, 2024 | 5 | — |
| CMH→BOS Columbus to Boston | March 10, 2024 – June 6, 2024 | 52 | — |
| BOS→CMH Boston to Columbus | May 7, 2024 – June 6, 2024 | 26 | — |
| BOS→CVG Boston to Cincinnati / Covington | January 8, 2024 – May 6, 2024 | 86 | — |
| CVG→BOS Cincinnati / Covington to Boston | January 8, 2024 – May 6, 2024 | 75 | — |
| ORD→LGA Chicago to New York | December 24, 2023 – January 1, 2024 | 3 | — |
| BNA→LGA Nashville to New York | December 17, 2023 | 1 | — |
| LGA→BNA New York to Nashville | December 17, 2023 | 1 | — |
| BOS→LGA Boston to New York | November 5, 2023 – December 15, 2023 | 38 | — |
| LGA→SDF New York to Louisville | November 25, 2023 | 1 | — |
| IND→BOS Indianapolis to Boston | November 1–3, 2023 | 3 | — |
| JFK→BOS New York to Boston | October 29–30, 2023 | 2 | — |
| PHL→BOS Philadelphia to Boston | October 28, 2023 | 1 | — |
| BOS→PIT Boston to Pittsburgh | September 5, 2023 – October 27, 2023 | 46 | — |
| EWR→BOS Newark to Boston | September 9, 2023 – October 21, 2023 | 7 | — |
| PIT→BOS Pittsburgh to Boston | September 19, 2023 – October 4, 2023 | 3 | — |
| LGA→CMH New York to Columbus | July 2, 2023 – September 4, 2023 | 56 | — |
Because the same number has served different journeys, the statistics above describe only the route YX5630 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.
21 min late
against a median of 11 min early
Percentiles over 689 operations; cancelled and diverted flights are counted separately.
Source: US DOT Bureau of Transportation Statistics · Data covering June 2024 – July 2026
Other flights on this route
Same airports, same journey, different odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| YX5626 | Republic Airways | 88.6% | 11 min early | 725 |
| YX5630 this flight | Republic Airways | 87.6% | 11 min early | 689 |
Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. YX5630 is placed in the same ordering rather than left out of it; the rows around it are the most punctual departures on the route, not all of them, so this is a comparison and not a rank. Schedules change; confirm the departure still operates before booking around this.
Data and methodology
Calculated by FlyerIntel from 689 records of YX5630 operating BOS → CLT, 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.
Full methodology · Data sources · Report a problem
Related research: Most and Least Reliable Flight Numbers · The Delay You Inherit · Making Up Time in the Air
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