Carrier route record
NKATL→EWR
Spirit Airlines · Atlanta to Newark
- Flights
- 420
- Period
- July 2025 to June 2026
- Share of route
- 7%
- Carriers
- 5
Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with Spirit Airlines.
Spirit on ATL to EWR 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 420 flights. The strongest carrier on the route with a full sample, United Airlines, flew 1,963 at 79.5% on time.
United Airlines is the most reliable of the three carriers covered here at 79.5% on time across 1,963 flights.
Key figures
On time
66.3%
Arrivals under 15 minutes late, of 392 completed flights
Avg delay
71 min
Across delayed arrivals only, not all flights
Cancelled
6.67%
National rate is 1.81%
Whole route
72.8%
Every carrier on ATL to EWR, 6,285 flights
These figures cover 420 flights between July 2025 and June 2026. Beyond the headline rate, 14.5% 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 ATL to EWR
Spirit flew 420 of the 6,285 flights on ATL to EWR, about 7% of it. Its 66.3% on time is 7 points worse than the route as a whole, which runs 72.8%. Ranked by on-time rate it is number four of five carriers on the route, where the range runs from Republic at 80.1% to Frontier at 62.4%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.
The choice of carrier is not cosmetic here. United Airlines arrives on time 79.5% of the time; Frontier Airlines manages 62.4%. Sample sizes sit next to every figure, because a two-point gap across 708 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Republic Airwaysthin sample | 139 | 80.1% | 125 min | 2.16% | B |
| United Airlines | 1,963 | 79.5% | 83 min | 3.06% | B− |
| Delta Air Lines | 3,055 | 71.5% | 66 min | 3.31% | C− |
| Spirit Airlines (this page) | 420 | 66.3% | 71 min | 6.67% | C− |
| Frontier Airlines | 708 | 62.4% | 84 min | 2.54% | D |
Delta Air Lines cancels 3.3% 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 41 points, against 17 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am215 flights81.6%
- 8am–11am23 flights—
- 11am–2pm14 flights—
- 2pm–5pm23 flights—
- 5pm–8pm50 flights46.7%
- 8pm–5am95 flights40.7%
Scale runs 30% to 85%. Rows with fewer than 30 flights show a dash.
The 8pm–5am window is where this operation falls apart: 40.7% on time, against 81.6% for the 5am–8am 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 5am–8am window is the busiest, with 215 flights scheduled in it.
Across the year
Spirit on ATL to EWR through the year
September is the best month on the calendar at 100.0% on time. Shoulder season thins the schedule and takes the summer weather with it, and the operation gets its margin back. March was the busiest month here, with 61 flights.
Across the week, Wednesday is the strongest day at 77.4% on time and Monday the weakest at 49.1%. 28 points is a smaller lever than departure hour, but it is free.
Delay causes
Why Spirit runs late on this route
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 9,316 reported delay minutes.
- 38%Carrier
- 31%Late-arriving aircraft
- 30%National Airspace System
- 1%Security
The largest share of delay minutes, 38%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 3,517 of the 9,316 delay minutes reported here. The split is drawn from 9,316 reported delay minutes.
The practical consequence: the 5am–8am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 81.6% on time here.
Cancellations run at 6.67%, 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. 14.5% 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 746 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 69.5% on time across 425 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. 420 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 ATL to EWR
Put together: the delay figures matter less here than the 6.67% cancellation rate. A late arrival costs you a little over an hour; 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. 392 completed flights over 12 months sit behind that.
Related
Where to go next
- ATL to EWR, every carrier
- Spirit on EWR to ATL, the return leg
- Republic Airways on ATL to EWR80.1%
- United Airlines on ATL to EWR79.5%
- Delta Air Lines on ATL to EWR71.5%
- Frontier Airlines on ATL to EWR62.4%
- Spirit Airlines network-wide record
- Hartsfield-Jackson Atlanta International (ATL) delay statistics
- Newark Liberty International (EWR) delay statistics
- The US routes with the most cancellations
- Same route, different airline: where the carrier you pick matters most
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.