Carrier route record
NKMYR→EWR
Spirit Airlines · Myrtle Beach to Newark
- Flights
- 386
- Period
- July 2025 to June 2026
- Share of route
- 38%
- Carriers
- 3
Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with Spirit Airlines.
Spirit on MYR to EWR lands a B−, 3 points better than the national rate of 77.6%. About one flight in five arrives 15 minutes late or worse, and those flights are late by an hour and a half on average. That is a workable record, not a spotless one. That rests on 386 flights, with a median arrival 12 minutes early.
The US average over the same twelve months is 77.6%, so there is little to separate Spirit on MYR to EWR from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.
Key figures
On time
80.7%
Arrivals under 15 minutes late, of 347 completed flights
Avg delay
87 min
Across delayed arrivals only, not all flights
Cancelled
10.10%
National rate is 1.81%
Whole route
79.0%
Every carrier on MYR to EWR, 1,006 flights
These figures cover 386 flights between July 2025 and June 2026. Beyond the headline rate, 11.0% 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.
Carrier by carrier
Spirit against every carrier on MYR to EWR
Spirit flew 386 of the 1,006 flights on MYR to EWR, about 38% of it. Its 80.7% on time is 2 points better than the route as a whole, which runs 79.0%. Ranked by on-time rate it is number two of three carriers on the route, where the range runs from United at 82.8% to Republic at 76.7%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| United Airlinesthin sample | 133 | 82.8% | 83 min | 3.76% | B− |
| Spirit Airlines (this page) | 386 | 80.7% | 87 min | 10.10% | B− |
| Republic Airways | 487 | 76.7% | 88 min | 5.54% | B− |
Departure window
When Spirit runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 12 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am64 flights87.7%
- 8am–11am155 flights83.2%
- 11am–2pm94 flights75.6%
- 2pm–5pm28 flights—
- 5pm–8pm13 flights—
- 8pm–5am32 flights83.9%
Scale runs 65% to 95%. Rows with fewer than 30 flights show a dash.
The weak window here is the middle of the day, not the evening: 11am–2pm runs 75.6% on time against 87.7% for 5am–8am. That shape usually means a departure bank rather than an accumulating delay, so the recovery later in the afternoon is real rather than noise. The 8am–11am window is the busiest, with 155 flights scheduled in it.
Across the year
Spirit on MYR to EWR through the year
April is the best month on the calendar at 90.9% on time. Shoulder season thins the schedule and takes the summer weather with it, and the operation gets its margin back. August was the busiest month here, with 59 flights.
Across the week, Tuesday is the strongest day at 85.7% on time and Wednesday the weakest at 75.0%. 11 points is a smaller lever than departure hour, but it is free.
Delay causes
Why Spirit runs late on this route
One category carries most of the weight here. National Airspace System accounts for 46% of the 5,853 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.
- 46%National Airspace System
- 34%Late-arriving aircraft
- 19%Carrier
- 1%Extreme weather
34% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 5,853 reported delay minutes here, that single category outweighs weather by 34 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 5,853 reported delay minutes.
46% 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 2,712 minutes out of 5,853, against a national NAS share of 21%.
Cancellations run at 10.10%, against 1.81% nationally. That is about one flight in ten 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 stage length
What a delay here costs
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 11.0% 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 550 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 return leg is a different operation and performs like one: it runs 70.5% on time across 382 flights, 10 points below this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 10 points of difference.
One caution: this is a thin sample. 386 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 Spirit on MYR to EWR
Put together: the delay figures matter less here than the 10.10% cancellation rate. A late arrival costs you an hour and a half; a cancelled flight costs you the day. Book the 5am–8am departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 347 completed flights over 12 months sit behind that.
Related
Where to go next
- MYR to EWR, every carrier
- Spirit on EWR to MYR, the return leg
- United Airlines on MYR to EWR82.8%
- Republic Airways on MYR to EWR76.7%
- Spirit Airlines network-wide record
- Newark Liberty International (EWR) delay statistics
- The US routes with the most cancellations
- Why the first flight of the morning is statistically safest
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.