Carrier route record
F9LGA→RDU
Frontier Airlines · New York to Raleigh
- Flights
- 139
- Period
- September 2025 to August 2026
- Share of route
- 6%
- Carriers
- 4
Historical statistics for September 2025 to August 2026, not live status. For today’s flights, check with Frontier Airlines.
Frontier on LGA to RDU earns an F−, which is as low as this site's scale goes for a reason. Only 54.6% of flights arrive inside the 15-minute window, 23 points worse than the national rate of 77.3%. Late arrivals average an hour and a half. Treat any tight connection here as a coin flip. That rests on 139 flights, with a median arrival 10 minutes late.
The national on-time rate over the same period is 77.3%, so Frontier on LGA to RDU runs 23 points behind the country as a whole. Across a thousand flights that is about 227 extra late arrivals.
Key figures
On time
54.6%
Arrivals under 15 minutes late, of 130 completed flights
Avg delay
82 min
Across delayed arrivals only, not all flights
Cancelled
5.76%
National rate is 1.89%
Whole route
71.9%
Every carrier on LGA to RDU, 2,492 flights
These figures cover 139 flights between September 2025 and August 2026. Beyond the headline rate, 20.0% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Carrier by carrier
Frontier against every carrier on LGA to RDU
Frontier flew 139 of the 2,492 flights on LGA to RDU, about 6% of it. Its 54.6% on time is 17 points worse than the route as a whole, which runs 71.9%. Ranked by on-time rate it is number three of four carriers on the route, where the range runs from Delta at 80.8% to American at 38.6%. Two 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 |
|---|---|---|---|---|---|
| Delta Air Linesthin sample | 344 | 80.8% | 71 min | 4.65% | B− |
| Republic Airways | 1,921 | 73.1% | 63 min | 5.78% | C− |
| Frontier Airlines (this page)thin sample | 139 | 54.6% | 82 min | 5.76% | F− |
| American Airlinesthin sample | 88 | 38.6% | 111 min | 5.68% | F− |
Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.
Departure window
When Frontier runs best on this route
Departure time is the single lever a traveller controls, and it moves the odds more than most people expect. Each bar below is the on-time rate for flights scheduled to leave inside that window, across 139 flights.
There are not enough flights in each departure window to split Frontier's LGA to RDU record by time of day without the percentages moving on noise. The headline rate of 54.6% is the reliable figure here.
Across the year
Frontier on LGA to RDU through the year
- Jul–Sep 202530 flights—
- Oct–Dec 202567 flights44.4%
- Jan–Mar 202621 flights—
- Apr–Jun 202621 flights—
Scale runs 35% to 50%. 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 54.6% on time across 139 flights.
Split by quarter, Frontier on LGA to RDU logged 30 flights in Jul–Sep 2025, 67 flights in Oct–Dec 2025, 21 flights in Jan–Mar 2026 and 21 flights in Apr–Jun 2026. Fewer than three of those quarters carried the 30 completed flights this site needs before printing a rate, so the 54.6% annual figure is the one to use.
Arrival by arrival
How late Frontier on LGA to RDU runs when it is late
The 59 late arrivals split 14 under half an hour, 19 between 30 and 60 minutes, and 26 an hour or more.
- 15+ min early23 flights17.7%
- Within 15 min48 flights36.9%
- 15–29 min late14 flights10.8%
- 30–59 min late19 flights14.6%
- 1–2 hours late16 flights12.3%
- 2+ hours late10 flights7.7%
Scale runs 0% to 100%.
Share of 130 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 52 departures that left 15 minutes late or more, only 3 made it up before arrival. In the other direction, 10 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at RDU.
The worst days
Worst days for Frontier on LGA to RDU
The latest arrival of the period was on 14 December 2025, 7 hours 47 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. The same cause led on five of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 14 December 2025 | 7 hours 47 minutes | Late-arriving aircraft |
| 5 April 2026 | 5 hours 45 minutes | Late-arriving aircraft |
| 22 November 2025 | 5 hours 41 minutes | Late-arriving aircraft |
| 30 December 2025 | 4 hours 4 minutes | Late-arriving aircraft |
| 11 November 2025 | 3 hours 14 minutes | Late-arriving aircraft |
Delay causes
Why Frontier runs late on this route
Late-arriving aircraft accounts for 68% of the 4,849 delay minutes carriers reported here, and the remaining four split what is left.
- 68%Late-arriving aircraft
- 19%Carrier
- 12%National Airspace System
68% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 4,849 reported delay minutes here, that single category outweighs weather by 68 to one. The split is drawn from 4,849 reported delay minutes.
Cancellations run at 5.76%, against 1.89% nationally. That is roughly 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
20.0% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection here, and two hours if the onward flight is on a separate ticket.
At 431 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 5pm–8pm window matters as much as it does.
The return leg runs 56.9% on time across 139 flights, within 2 points of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.
One caution: this is a thin sample. 139 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 LGA to RDU
Put together: the delay figures matter less here than the 5.76% cancellation rate. A late arrival costs you an hour and a half; a cancelled flight costs you the day. Book the 5pm–8pm departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 130 completed flights over 12 months sit behind that.
Related
Where to go next
- LGA to RDU, every carrier
- Frontier on RDU to LGA, the return leg
- Delta Air Lines on LGA to RDU80.8%
- Republic Airways on LGA to RDU73.1%
- Frontier Airlines network-wide record
- LaGuardia (LGA) delay statistics
- Raleigh-Durham International (RDU) 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, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.