Best Time to Fly RDU to LGA: On-Time Stats by Hour & Airline
Raleigh-Durham International → LaGuardia
Data through July 2026 · Last updated October 18, 2026
2,595 flights were scheduled from Raleigh/Durham (RDU) to New York (LGA) in the last 12 months, and 70.0% of those that flew arrived on time, 7.6 points below the US average of 77.6%.
Among 4 airlines, American Airlines led with 84.5% on time and Frontier Airlines was last with 59.4%.
Over 24 months, Saturday was the most reliable day (79% on time) and June the worst month (68%).
The cancellation rate was 5.5% (US average 1.8%).
RDU to LGA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| American Airlines | 84.5% | 48 min | 4.9% | 61 |
| Delta Air Lines | 72.7% | 95 min | 4.1% | 344 |
| Republic Airways | 70.0% | 78 min | 5.8% | 2,020 |
| Frontier Airlines | 59.4% | 61 min | 5.9% | 170 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly RDU to LGA
On-time arrival % by scheduled departure hour (local time), 5,868 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 15 | |
| 6am–7am | 84.8% | 2.7% | 636 |
| 7am–8am | 85.4% | 5.8% | 87 |
| 8am–9am | 84.1% | 2.2% | 445 |
| 9am–10am | 84.3% | 3.1% | 223 |
| 10am–11am | 86.0% | 2.8% | 360 |
| 11am–12pm | 78.0% | 2.6% | 191 |
| 12pm–1pm | 64.7% | 2.0% | 510 |
| 1pm–2pm | 66.2% | 3.6% | 443 |
| 2pm–3pm | 69.9% | 6.4% | 657 |
| 3pm–4pm | 73.7% | 5.3% | 701 |
| 4pm–5pm | 73.3% | 2.2% | 222 |
| 5pm–6pm | 65.9% | 6.9% | 564 |
| 6pm–7pm | 72.9% | 6.3% | 63 |
| 7pm–8pm | 60.1% | 7.2% | 559 |
| 8pm–9pm | 53.5% | 14.7% | 68 |
| 9pm–10pm | 38.3% | 4.2% | 120 |
| 10pm–11pm | Limited data | 4 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on RDU to LGA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 76.6% | +3.2 pts | 0.0% | 128 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.1% | +4.7 pts | 1.7% | 181 |
| Summer peak (Jun 15 - Aug 15) | 65.6% | -7.8 pts | 12.1% | 890 |
| All other days | 73.4% | — | 3.3% | 4,669 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).