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DelayAtlas

Flight number record

YX 5630

Republic Airways · Boston to Charlotte

Route
BOS → CLT
Departs
11:10
Flights
314
Period
July 2025 to June 2026
A−GRADE

Historical statistics for July 2025 to June 2026, not live status. For today’s YX 5630, check with Republic Airways. Republic Airways flies under contract for larger airlines, so a ticket for this flight may show a different airline code and number.

YX 5630 earns an A−. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 10 points better than the national rate of 77.6%. When something does go wrong the average delay runs about an hour. That rests on 314 flights, with a median arrival 12 minutes early.

Set against the rest of the country, YX 5630's record is 10 points better than the US average of 77.6%. That gap is worth roughly 102 fewer late arrivals for every thousand flights.

Key figures

On time

87.8%

Arrivals under 15 minutes late, of 304 completed flights

Avg delay

65 min

Across delayed arrivals only, not all flights

Cancelled

3.18%

National rate is 1.81%

1 hour+ late

4.3%

National rate is 8.1%

These figures cover 314 flights between July 2025 and June 2026. The median arrival is 12 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.

Schedule

When YX 5630 flies

YX 5630 flies BOS to CLT without a single fixed slot. Its most common scheduled departure was 11:10, used on 60 of 314 flights, with 14:25 (49 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

  • Departs 11:1060 flights19.1%
  • Departs 14:2549 flights15.6%

Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.

Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.

A 11:10 departure sits in the 11am–2pm window. Across every US flight scheduled in that window the on-time rate is 78.8%, and YX 5630 runs 9 points better at 87.8%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.

Against the route

YX 5630 next to BOS to CLT

Every carrier on BOS to CLT combined arrived on time 82.6% of the time across 4,017 flights, so YX 5630 is 5 points ahead of it. Republic flew 1,199 flights on the same city pair under all its flight numbers, including this one, and those ran 80.5% on time. Across its whole network Republic Airways managed 78.5%, which this flight beats by 9 points.

YX 5630 against its route and carrier
Compared withFlightsOn timeAvg delayCancelledGrade
YX 5630thin sample31487.8%65 min3.18%A−
All Republic Airways on BOS–CLT1,19980.5%67 min3.42%B−
All carriers on BOS–CLT4,01782.6%82 min2.69%B
Republic Airways, whole network361,48278.5%72 min4.08%B−

Across the year

YX 5630 quarter by quarter

YX 5630 did not run the same all year. Its best quarter was Apr–Jun 2026 at 92.6% on time and its weakest Jan–Mar 2026 at 81.6%, a swing of 11 points on roughly 79 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.

  • Jul–Sep 202579 flights89.6%
  • Oct–Dec 202570 flights87.1%
  • Jan–Mar 202684 flights81.6%
  • Apr–Jun 202681 flights92.6%

Scale runs 75% to 100%. Rows with fewer than 30 flights show a dash.

By weekday, YX 5630 did best on Saturday at 94.6% on time and worst on Thursday at 80.4%. Each day rests on about 45 flights, so a gap of 14 points is worth noticing but could still narrow in another year.

On-time rate by day of the week88.1Mon90.7Tue93.2Wed80.4Thu83.0Fri94.6Sat86.7Sun
Monday: 88.1 percent on time. Tuesday: 90.7 percent on time. Wednesday: 93.2 percent on time. Thursday: 80.4 percent on time. Friday: 83.0 percent on time. Saturday: 94.6 percent on time. Sunday: 86.7 percent on time

Delay causes

Why YX 5630 runs late

One category carries most of the weight here. Carrier accounts for 56% of the 2,401 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

  • Carrier
    56%
  • Late-arriving aircraft
    29%
  • National Airspace System
    13%
  • Extreme weather
    1%

The largest share of delay minutes, 56%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 1,349 of the 2,401 delay minutes reported here. The split is drawn from 2,401 delay minutes reported on YX 5630.

Cancellations run at 3.18%, against 1.81% nationally. That is about one flight in 30 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.

Connections and routes

What a delay on this flight costs

Badly late arrivals are rare here: only 4.3% land an hour or more behind schedule, against 8.1% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.

The 728 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.

The same number turns up on four other city pairs in the data, including CLT to BOS (244), DCA to MIA (16) and MIA to DCA (16), but none flew often enough under YX 5630 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to BOS to CLT only.

One caution: this is a thin sample. 314 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.

What to do with this

Booking YX 5630

For a booking, the cancellation rate is the figure to plan around on YX 5630: 3.18% of its 314 scheduled flights did not operate. A late arrival costs about an hour, but a cancellation costs the day, so leave a later option open.

Related

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.