Best Time to Fly PHL to CHS: On-Time Stats by Hour & Airline
Philadelphia International → Charleston AFB/International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.1% of Philadelphia (PHL) to Charleston (CHS) flights arrived on time (1,089 scheduled flights). That is 0.5 points below the national average of 77.6%.
Among 4 airlines, Republic Airways led with 91.2% on time and PSA Airlines was last with 73.1%.
Over 24 months, Tuesday was the most reliable day (82% on time) and July the worst month (70%).
The cancellation rate was 2.2% (US average 1.8%).
PHL to CHS 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 | 91.2% | 43 min | 0.0% | 34 |
| American Airlines | 78.1% | 72 min | 1.5% | 686 |
| Frontier Airlines | 76.9% | 73 min | 1.5% | 66 |
| PSA Airlines | 73.1% | 100 min | 4.3% | 303 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHL to CHS
On-time arrival % by scheduled departure hour (local time), 2,575 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 4 | |
| 6am–7am | 87.5% | 8.6% | 35 |
| 7am–8am | Limited data | 18 | |
| 8am–9am | 86.5% | 2.0% | 600 |
| 9am–10am | 89.7% | 0.0% | 58 |
| 10am–11am | 87.0% | 2.3% | 221 |
| 11am–12pm | 77.3% | 0.0% | 66 |
| 12pm–1pm | 75.0% | 0.0% | 140 |
| 1pm–2pm | 74.0% | 2.0% | 196 |
| 2pm–3pm | 80.0% | 2.4% | 41 |
| 3pm–4pm | 72.0% | 2.2% | 498 |
| 4pm–5pm | 78.3% | 1.2% | 163 |
| 5pm–6pm | Limited data | 18 | |
| 6pm–7pm | 82.9% | 5.4% | 37 |
| 7pm–8pm | 72.0% | 3.3% | 329 |
| 8pm–9pm | Limited data | 22 | |
| 9pm–10pm | 67.8% | 8.5% | 129 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHL to CHS
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) | 83.7% | +3.4 pts | 0.0% | 49 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.8% | -2.5 pts | 1.4% | 73 |
| Summer peak (Jun 15 - Aug 15) | 68.2% | -12.2 pts | 5.0% | 424 |
| All other days | 80.3% | — | 2.0% | 2,029 |
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).