Best Time to Fly LGA to GSP: On-Time Stats by Hour & Airline
LaGuardia → Greenville-Spartanburg International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.0% of New York (LGA) to Greer (GSP) flights arrived on time (926 scheduled flights). That is 1.7 points below the national average of 77.6%.
Republic Airways was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (85% on time) and December the worst month (69%).
The cancellation rate was 6.2% (US average 1.8%).
LGA to GSP 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 |
|---|---|---|---|---|
| Republic Airways | 76.0% | 71 min | 6.2% | 926 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LGA to GSP
On-time arrival % by scheduled departure hour (local time), 2,185 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 1 | |
| 7am–8am | 85.4% | 6.8% | 44 |
| 8am–9am | 85.9% | 1.0% | 193 |
| 9am–10am | 87.0% | 4.4% | 315 |
| 10am–11am | 83.1% | 2.7% | 73 |
| 11am–12pm | 75.0% | 0.0% | 36 |
| 12pm–1pm | 86.8% | 2.8% | 71 |
| 1pm–2pm | Limited data | 15 | |
| 2pm–3pm | 80.1% | 1.0% | 198 |
| 3pm–4pm | 69.1% | 6.7% | 298 |
| 4pm–5pm | 83.2% | 3.3% | 215 |
| 5pm–6pm | Limited data | 16 | |
| 6pm–7pm | Limited data | 7 | |
| 7pm–8pm | 71.2% | 5.9% | 203 |
| 8pm–9pm | 72.2% | 9.1% | 431 |
| 9pm–10pm | 84.1% | 8.7% | 69 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LGA to GSP
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) | 81.5% | +1.8 pts | 0.0% | 54 |
| Christmas & New Year (Dec 20 - Jan 3) | 87.8% | +8.1 pts | 2.0% | 50 |
| Summer peak (Jun 15 - Aug 15) | 70.7% | -9.0 pts | 13.3% | 338 |
| All other days | 79.7% | — | 3.8% | 1,743 |
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).