Flight number record
YX 5730
Republic Airways · Boston to New York
- Route
- BOS → LGA
- Departs
- 14:00
- Flights
- 288
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s YX 5730, 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 5730 lands a B−, level with the national rate of 77.3%. Roughly one flight in four arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That rests on 288 flights, with a median arrival 7 minutes early.
Key figures
On time
77.1%
Arrivals under 15 minutes late, of 266 completed flights
Avg delay
75 min
Across delayed arrivals only, not all flights
Cancelled
7.64%
National rate is 1.89%
1 hour+ late
11.3%
National rate is 8.3%
These figures cover 288 flights between September 2025 and August 2026. Beyond the headline rate, 11.3% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Schedule
When YX 5730 flies
YX 5730 is scheduled to leave Boston (BOS) at 14:00 local time and reach New York (LGA) at 15:25. That slot held for 288 of the 288 scheduled departures in the data, so the figures below describe one steady operation rather than a number that moved around the clock.
- Departs 14:00288 flights100.0%
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 14:00 departure sits in the 2pm–5pm window. Across every US flight scheduled in that window the on-time rate is 71.9%, and YX 5730 runs 5 points better at 77.1%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.
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Against the route
YX 5730 next to BOS to LGA
Every carrier on BOS to LGA combined arrived on time 76.2% of the time across 7,442 flights, so YX 5730 is about level with it. Republic flew 6,971 flights on the same city pair under all its flight numbers, including this one, and those ran 75.2% on time. Across its whole network Republic Airways managed 78.1%, close to this flight's figure.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| YX 5730thin sample | 288 | 77.1% | 75 min | 7.64% | B− |
| All Republic Airways on BOS–LGA | 6,971 | 75.2% | 77 min | 6.50% | B− |
| All carriers on BOS–LGA | 7,442 | 76.2% | 78 min | 6.40% | B− |
| Republic Airways, whole network | 364,452 | 78.1% | 74 min | 4.55% | B− |
Across the year
YX 5730 quarter by quarter
YX 5730 did not run the same all year. Its best quarter was Apr–Jun 2026 at 84.2% on time and its weakest Jan–Mar 2026 at 71.6%, a swing of 13 points on roughly 72 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 202567 flights73.0%
- Jan–Mar 202674 flights71.6%
- Apr–Jun 202677 flights84.2%
- Jul–Sep 202644 flights74.3%
Scale runs 65% to 90%. Rows with fewer than 30 flights show a dash.
By weekday, YX 5730 ranged from 71.1% on Thursday to 82.2% on Monday. With about 41 flights behind each day, a spread of 11 points is inside normal variation, so the day you fly is not worth changing for this flight.
Arrival by arrival
How late YX 5730 runs when it is late
YX 5730 often beats the schedule: 73 of 266 completed flights, 27%, arrived 15 minutes or more early. The 61 late arrivals split 18 under half an hour, 13 between 30 and 60 minutes, and 30 an hour or more.
- 15+ min early73 flights27.4%
- Within 15 min132 flights49.6%
- 15–29 min late18 flights6.8%
- 30–59 min late13 flights4.9%
- 1–2 hours late20 flights7.5%
- 2+ hours late10 flights3.8%
Scale runs 0% to 100%.
Share of 266 completed flights by arrival against schedule.
8 of 61 late departures made up the time and arrived on time, 13% of them. 8 flights left on time and still arrived late.
The worst days
Worst days for YX 5730
The latest arrival of the period was on 9 November 2025, 5 hours 10 minutes behind schedule; most of its delay minutes were filed as national airspace system delay. The same cause led on three of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 9 November 2025 | 5 hours 10 minutes | National Airspace System |
| 23 June 2026 | 4 hours 42 minutes | National Airspace System |
| 11 August 2026 | 3 hours 32 minutes | Late-arriving aircraft |
| 22 June 2026 | 2 hours 47 minutes | National Airspace System |
| 13 October 2025 | 2 hours 39 minutes | Extreme weather |
Delay causes
Why YX 5730 runs late
National Airspace System accounts for 52% of the 4,571 delay minutes carriers reported here, and the remaining four split what is left.
- 52%National Airspace System
- 21%Carrier
- 21%Late-arriving aircraft
- 6%Extreme weather
52% of delay minutes are charged to the National Airspace System: air traffic volume, runway configuration, ground stops. No carrier can price its way out of that, which is why airport choice moves the number here more than carrier choice does. That is 2,388 minutes out of 4,571, against a national NAS share of 21%. The split is drawn from 4,571 delay minutes reported on YX 5730.
Cancellations run at 7.64%, against 1.89% nationally. That is roughly 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
11.3% 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 same number turns up on two other city pairs in the data, including DTW to LEX (2) and LGA to ORF (1), but none flew often enough under YX 5730 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to BOS to LGA only.
One caution: this is a thin sample. 288 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 5730
For a booking, the cancellation rate is the figure to plan around on YX 5730: 7.64% of its 288 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
- BOS to LGA, every carrier and departure
- LGA to BOS, the return direction
- Republic Airways 5721 on the same route67.1%
- Republic Airways 5736 on the same route73.5%
- Republic Airways 5716 on the same route61.4%
- Republic Airways 5744 on the same route85.8%
- Republic Airways 5831 on the same route62.2%
- Republic Airways 5732 on the same route86.1%
- Boston Logan International (BOS) delay statistics
- 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
- What a cancellation rate actually tells you (and what it hides)
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.