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DelayAtlas

Carrier route record

NKEWRCLT

Spirit Airlines · Newark to Charlotte

Flights
404
Period
July 2025 to June 2026
Share of route
11%
Carriers
4
C−GRADE

Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with Spirit Airlines.

Spirit on EWR to CLT sits in the middle of the pack with a C−. Close to three flights in four arrive on time by the DOT's definition, 5 points worse than the national rate of 77.6%. The late ones land a little over an hour behind schedule. That rests on 404 flights. The strongest carrier on the route with a full sample, Republic Airways, flew 653 at 89.7% on time.

Republic Airways is the most reliable of the three carriers covered here at 89.7% on time across 653 flights.

Key figures

On time

73.0%

Arrivals under 15 minutes late, of 378 completed flights

Avg delay

77 min

Across delayed arrivals only, not all flights

Cancelled

6.44%

National rate is 1.81%

Whole route

80.2%

Every carrier on EWR to CLT, 3,753 flights

These figures cover 404 flights between July 2025 and June 2026. Beyond the headline rate, 11.4% 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 EWR to CLT

Spirit flew 404 of the 3,753 flights on EWR to CLT, about 11% of it. Its 73.0% on time is 7 points worse than the route as a whole, which runs 80.2%. Ranked by on-time rate it is last of four carriers on the route, where the range runs from Republic at 89.7% to Spirit at 73.0%.

The choice of carrier is not cosmetic here. Republic Airways arrives on time 89.7% of the time; United Airlines manages 74.5%. Sample sizes sit next to every figure, because a two-point gap across 869 flights means less than a ten-point one.

On-time performance by carrier on EWR to CLT
AirlineFlightsOn timeAvg delayCancelledGrade
Republic Airways65389.7%63 min3.22%A−
American Airlines1,82781.1%109 min3.89%B−
United Airlines86974.5%92 min2.07%C
Spirit Airlines (this page)40473.0%77 min6.44%C−

American Airlines cancels 3.9% of what it schedules here, the highest in the table. A cancelled flight never appears in an on-time rate, so read that column alongside the punctuality one rather than after it.

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 15 points, against 15 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

  • 5am–8am25 flights
  • 8am–11am35 flights75.8%
  • 11am–2pm180 flights77.9%
  • 2pm–5pm27 flights
  • 5pm–8pm6 flights
  • 8pm–5am131 flights62.7%

Scale runs 55% to 85%. Rows with fewer than 30 flights show a dash.

The 8pm–5am window is where this operation falls apart: 62.7% on time, against 77.9% for the 11am–2pm slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 11am–2pm window is the busiest, with 180 flights scheduled in it.

Across the year

Spirit on EWR to CLT through the year

  • Jul–Sep 202587 flights90.6%
  • Oct–Dec 2025122 flights64.1%
  • Jan–Mar 2026150 flights71.4%
  • Apr–Jun 202645 flights67.4%

Scale runs 55% to 95%. Rows with fewer than 30 flights show a dash.

Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 73.0% on time across 404 flights.

Spirit on EWR to CLT did not run the same all year. Its best quarter was Jul–Sep 2025 at 90.6% on time and its weakest Oct–Dec 2025 at 64.1%, a swing of 27 points on roughly 101 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.

Across the week, Wednesday is the strongest day at 88.4% on time and Monday the weakest at 66.1%. 22 points is a smaller lever than departure hour, but it is free.

On-time rate by day of the week66.1Mon69.8Tue88.4Wed74.6Thu77.6Fri68.8Sat67.3Sun
Monday: 66.1 percent on time. Tuesday: 69.8 percent on time. Wednesday: 88.4 percent on time. Thursday: 74.6 percent on time. Friday: 77.6 percent on time. Saturday: 68.8 percent on time. Sunday: 67.3 percent on time

Delay causes

Why Spirit runs late on this route

One category carries most of the weight here. National Airspace System accounts for 43% of the 7,803 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.

  • National Airspace System
    43%
  • Late-arriving aircraft
    30%
  • Carrier
    24%
  • Extreme weather
    3%
  • Security
    0%

43% 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 3,332 minutes out of 7,803, against a national NAS share of 21%. The split is drawn from 7,803 reported delay minutes.

Cancellations run at 6.44%, against 1.81% nationally. That is about one flight in fifteen 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. 11.4% 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 529 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 76.0% on time across 402 flights, 3 points above 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 3 points of difference.

One caution: this is a thin sample. 404 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 EWR to CLT

Put together: the delay figures matter less here than the 6.44% cancellation rate. A late arrival costs you a little over an hour; a cancelled flight costs you the day. Book the 11am–2pm departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 378 completed flights over 12 months sit behind that.

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.