Flight number record
YX 3510
Republic Airways · Milwaukee to Newark
- Route
- MKE → EWR
- Departs
- 18:09
- Flights
- 284
- Period
- July 2025 to June 2026
Historical statistics for July 2025 to June 2026, not live status. For today’s YX 3510, 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 3510 sits in the middle of the pack with a C−. About seven flights in ten arrive on time by the DOT's definition, 9 points worse than the national rate of 77.6%. The late ones land an hour and a half behind schedule. That rests on 284 flights, with a median arrival 7 minutes early.
The national on-time rate over the same period is 77.6%, so YX 3510 runs 9 points behind the country as a whole. Across a thousand flights that is about 90 extra late arrivals.
Key figures
On time
68.6%
Arrivals under 15 minutes late, of 261 completed flights
Avg delay
91 min
Across delayed arrivals only, not all flights
Cancelled
7.75%
National rate is 1.81%
1 hour+ late
12.3%
National rate is 8.1%
These figures cover 284 flights between July 2025 and June 2026. Beyond the headline rate, 12.3% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.
Schedule
When YX 3510 flies
YX 3510 flies MKE to EWR without a single fixed slot. Its most common scheduled departure was 18:09, used on 55 of 284 flights, with 17:51 (37 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.
- Departs 18:0955 flights19.4%
- Departs 17:5137 flights13.0%
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 18:09 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.2%, and YX 3510 runs level with that at 68.6%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.
Against the route
YX 3510 next to MKE to EWR
Every carrier on MKE to EWR combined arrived on time 77.7% of the time across 849 flights, so YX 3510 is 9 points behind it. Across its whole network Republic Airways managed 78.5%, which this flight trails by 10 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| YX 3510thin sample | 284 | 68.6% | 91 min | 7.75% | C− |
| All Republic Airways on MKE–EWR | 849 | 77.7% | 88 min | 5.06% | B− |
| All carriers on MKE–EWR | 849 | 77.7% | 88 min | 5.06% | B− |
| Republic Airways, whole network | 361,482 | 78.5% | 72 min | 4.08% | B− |
Across the year
YX 3510 quarter by quarter
YX 3510 did not run the same all year. Its best quarter was Apr–Jun 2026 at 87.8% on time and its weakest Jul–Sep 2025 at 50.6%, a swing of 37 points on roughly 95 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 202587 flights50.6%
- Oct–Dec 202585 flights62.7%
- Jan–Mar 202628 flights—
- Apr–Jun 202684 flights87.8%
Scale runs 40% to 95%. Rows with fewer than 30 flights show a dash.
By weekday, YX 3510 did best on Monday at 73.2% on time and worst on Thursday at 54.1%. Each day rests on about 41 flights, so a gap of 19 points is worth noticing but could still narrow in another year.
Delay causes
Why YX 3510 runs late
One category carries most of the weight here. National Airspace System accounts for 44% of the 7,469 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.
- 44%National Airspace System
- 27%Late-arriving aircraft
- 15%Extreme weather
- 14%Carrier
Extreme weather accounts for 15% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the quarterly figures above are the more useful view of the risk. The national share is 6%, so this operation carries roughly 2.4 times the usual weather exposure. The split is drawn from 7,469 delay minutes reported on YX 3510.
Cancellations run at 7.75%, against 1.81% 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
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 12.3% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.
The 725 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 eight other city pairs in the data, including CHA to ORD (32), MCI to ORD (20) and EWR to MSY (5), but none flew often enough under YX 3510 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to MKE to EWR only.
One caution: this is a thin sample. 284 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 3510
For a booking, the cancellation rate is the figure to plan around on YX 3510: 7.75% of its 284 scheduled flights did not operate. A late arrival costs an hour and a half, but a cancellation costs the day, so leave a later option open.
Related
Where to go next
- MKE to EWR, every carrier and departure
- EWR to MKE, the return direction
- Newark Liberty International (EWR) 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, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.