Best Time to Fly CLT to GSP: On-Time Stats by Hour & Airline
Charlotte Douglas International → Greenville-Spartanburg International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 71.2% of Charlotte (CLT) to Greer (GSP) flights arrived on time (1,504 scheduled flights). That is 6.4 points below the national average of 77.6%.
Among 3 airlines, Envoy Air led with 85.1% on time and PSA Airlines was last with 66.7%.
Over 24 months, Wednesday was the most reliable day (80% on time) and July the worst month (54%).
The cancellation rate was 2.1% (US average 1.8%).
CLT 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 |
|---|---|---|---|---|
| Envoy Air | 85.1% | 53 min | 0.7% | 149 |
| American Airlines | 80.5% | 76 min | 3.1% | 291 |
| PSA Airlines | 66.7% | 76 min | 2.0% | 1,064 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLT to GSP
On-time arrival % by scheduled departure hour (local time), 4,449 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 91.8% | 2.8% | 176 |
| 8am–9am | Limited data | 5 | |
| 9am–10am | 88.8% | 1.2% | 245 |
| 10am–11am | 81.2% | 2.9% | 104 |
| 11am–12pm | 84.5% | 0.5% | 375 |
| 12pm–1pm | 75.5% | 0.0% | 53 |
| 1pm–2pm | 84.2% | 2.1% | 285 |
| 2pm–3pm | 77.6% | 1.1% | 348 |
| 3pm–4pm | 77.4% | 6.1% | 33 |
| 4pm–5pm | 66.6% | 1.7% | 359 |
| 5pm–6pm | 73.5% | 1.9% | 269 |
| 6pm–7pm | 73.9% | 2.0% | 498 |
| 7pm–8pm | 67.6% | 1.6% | 490 |
| 8pm–9pm | 58.7% | 0.8% | 587 |
| 9pm–10pm | Limited data | 12 | |
| 10pm–11pm | 73.5% | 2.6% | 465 |
| 11pm–12am | 70.8% | 4.1% | 145 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CLT 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) | 80.6% | +4.2 pts | 0.0% | 98 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.7% | -0.7 pts | 1.7% | 181 |
| Summer peak (Jun 15 - Aug 15) | 57.4% | -19.0 pts | 1.7% | 580 |
| All other days | 76.4% | — | 1.8% | 3,590 |
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).