Carrier route record
F9ATL→EWR
Frontier Airlines · Atlanta to Newark
- Flights
- 708
- Period
- July 2025 to June 2026
- Share of route
- 11%
- Carriers
- 5
Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with Frontier Airlines.
Frontier on ATL to EWR draws a D. Roughly one flight in three arrives at least 15 minutes late, and the typical late arrival is an hour and a half behind schedule. Build slack into anything you connect to. That rests on 708 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
62.4%
Arrivals under 15 minutes late, of 687 completed flights
Avg delay
84 min
Across delayed arrivals only, not all flights
Cancelled
2.54%
National rate is 1.81%
Whole route
72.8%
Every carrier on ATL to EWR, 6,285 flights
These figures cover 708 flights between July 2025 and June 2026. Beyond the headline rate, 19.2% 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
Frontier against every carrier on ATL to EWR
Frontier flew 708 of the 6,285 flights on ATL to EWR, about 11% of it. Its 62.4% on time is 10 points worse than the route as a whole, which runs 72.8%. Ranked by on-time rate it is last 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; Spirit Airlines manages 66.3%. Sample sizes sit next to every figure, because a two-point gap across 420 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 | 420 | 66.3% | 71 min | 6.67% | C− |
| Frontier Airlines (this page) | 708 | 62.4% | 84 min | 2.54% | D |
Spirit Airlines cancels 6.7% 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.
Flight by flight
Frontier flight numbers on ATL to EWR
Departure window
When Frontier runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 28 points, against 13 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am93 flights82.4%
- 8am–11am56 flights83.6%
- 11am–2pm—
- 2pm–5pm—
- 5pm–8pm195 flights58.9%
- 8pm–5am364 flights55.9%
Scale runs 45% to 90%. Rows with fewer than 30 flights show a dash.
The 8pm–5am window is where this operation falls apart: 55.9% on time, against 83.6% for the 8am–11am 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 8pm–5am window is the busiest, with 364 flights scheduled in it.
Across the year
Frontier on ATL to EWR through the year
December is the weak month at 39.0% on time, against 79.0% in October. Winter delays cluster: a single storm system can account for most of a month's shortfall, so an average December hides both very good weeks and genuinely unflyable days. May was the busiest month here, with 62 flights.
Across the week, Wednesday is the strongest day at 73.4% on time and Sunday the weakest at 50.5%. 23 points is a smaller lever than departure hour, but it is free.
Delay causes
Why Frontier runs late on this route
One category carries most of the weight here. Late-arriving aircraft accounts for 49% of the 22,000 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.
- 49%Late-arriving aircraft
- 28%Carrier
- 21%National Airspace System
- 3%Extreme weather
49% 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 22,000 reported delay minutes here, that single category outweighs weather by 19 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 21,695 reported delay minutes.
The practical consequence: the 8am–11am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 83.6% on time here.
Cancellations run at 2.54%, against 1.81% nationally. That is about one flight in 40 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. 19.2% 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 70.1% on time across 708 flights, 8 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 8 points of difference.
One caution: this is a thin sample. 708 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 Frontier on ATL to EWR
Put together: treat all of this as provisional. 708 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 62.4% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 687 completed flights over 12 months sit behind that.
Related
Where to go next
- ATL to EWR, every carrier
- Frontier 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%
- Spirit Airlines on ATL to EWR66.3%
- Frontier Airlines network-wide record
- Hartsfield-Jackson Atlanta International (ATL) delay statistics
- 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.