Flight number record
YX 4644
Republic Airways · New York to Little Rock
- Route
- LGA → LIT
- Departs
- 18:40
- Flights
- 312
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s YX 4644, 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 4644 draws a C−. About one flight in three arrives at least 15 minutes late, and the typical late arrival is a little over an hour behind schedule. Build slack into anything you connect to. That rests on 312 flights, with a median arrival 7 minutes early.
The national on-time rate over the same period is 77.3%, so YX 4644 runs 11 points behind the country as a whole. Across a thousand flights that is about 111 extra late arrivals.
Key figures
On time
66.2%
Arrivals under 15 minutes late, of 287 completed flights
Avg delay
71 min
Across delayed arrivals only, not all flights
Cancelled
8.01%
National rate is 1.89%
1 hour+ late
16.0%
National rate is 8.3%
These figures cover 312 flights between September 2025 and August 2026. Beyond the headline rate, 16.0% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Schedule
When YX 4644 flies
YX 4644 flies LGA to LIT without a single fixed slot. Its most common scheduled departure was 18:40, used on 74 of 312 flights, with 20:00 (38 flights) and 17:10 (37 flights) next.
- Departs 18:4074 flights23.7%
- Departs 20:0038 flights12.2%
- Departs 17:1037 flights11.9%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 18:40 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.0%, and YX 4644 runs level with that at 66.2%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.
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Against the route
YX 4644 next to LGA to LIT
Across its whole network Republic Airways managed 78.1%, which this flight trails by 12 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| YX 4644thin sample | 312 | 66.2% | 71 min | 8.01% | C− |
| All Republic Airways on LGA–LITthin sample | 312 | 66.2% | 71 min | 8.01% | C− |
| All carriers on LGA–LITthin sample | 312 | 66.2% | 71 min | 8.01% | C− |
| Republic Airways, whole network | 364,452 | 78.1% | 74 min | 4.55% | B− |
Across the year
YX 4644 quarter by quarter
YX 4644 did not run the same all year. Its best quarter was Apr–Jun 2026 at 71.1% on time and its weakest Oct–Dec 2025 at 58.3%, a swing of 13 points on roughly 78 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 202526 flights—
- Oct–Dec 202578 flights58.3%
- Jan–Mar 202677 flights68.6%
- Apr–Jun 202678 flights71.1%
- Jul–Sep 202653 flights65.1%
Scale runs 50% to 75%. Rows with fewer than 30 flights show a dash.
By weekday, YX 4644 did best on Friday at 72.9% on time and worst on Sunday at 57.4%. Each day rests on about 45 flights, so a gap of 16 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late YX 4644 runs when it is late
YX 4644 often beats the schedule: 114 of 287 completed flights, 40%, arrived 15 minutes or more early. The 97 late arrivals split 23 under half an hour, 28 between 30 and 60 minutes, and 46 an hour or more.
- 15+ min early114 flights39.7%
- Within 15 min76 flights26.5%
- 15–29 min late23 flights8.0%
- 30–59 min late28 flights9.8%
- 1–2 hours late29 flights10.1%
- 2+ hours late17 flights5.9%
Scale runs 0% to 100%.
Share of 287 completed flights by arrival against schedule.
12 of 78 late departures made up the time and arrived on time, 15% of them. In the other direction, 31 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at LIT.
The worst days
Worst days for YX 4644
The latest arrival of the period was on 2 August 2026, 4 hours 56 minutes behind schedule; most of its delay minutes were filed as extreme weather. The five worst days are spread across August, December, October, July and May, with no single month standing out.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 2 August 2026 | 4 hours 56 minutes | Extreme weather |
| 18 December 2025 | 4 hours 25 minutes | Carrier |
| 8 October 2025 | 3 hours 30 minutes | Late-arriving aircraft |
| 27 July 2026 | 3 hours 25 minutes | Late-arriving aircraft |
| 21 May 2026 | 2 hours 55 minutes | Carrier |
Delay causes
Why YX 4644 runs late
Late-arriving aircraft accounts for 53% of the 6,876 delay minutes carriers reported here, and the remaining four split what is left.
- 53%Late-arriving aircraft
- 27%National Airspace System
- 13%Carrier
- 7%Extreme weather
53% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 6,876 reported delay minutes here, that single category outweighs weather by 8 to one. The split is drawn from 6,876 delay minutes reported on YX 4644.
Cancellations run at 8.01%, against 1.89% nationally. That is about one flight in twelve 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
16.0% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection here, and two hours if the onward flight is on a separate ticket.
The 1,085 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.
The same number turns up on one other city pair in the data, including ORD to DCA (2), but none flew often enough under YX 4644 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to LGA to LIT only.
One caution: this is a thin sample. 312 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 4644
For a booking, the cancellation rate is the figure to plan around on YX 4644: 8.01% of its 312 scheduled flights did not operate. A late arrival costs a little over an hour, but a cancellation costs the day, so leave a later option open.
Related
Where to go next
- LaGuardia (LGA) delay statistics
- Republic Airways on-time record
- Every Republic Airways flight number with a record
- The most and least reliable flight numbers in the US
- Why the first flight of the morning is statistically safest
A flight number here means Republic Airways’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.