Best Time to Fly PHL to MEM: On-Time Stats by Hour & Airline
Philadelphia International → Memphis International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 79.3% of Philadelphia (PHL) to Memphis (MEM) flights arrived on time (759 scheduled flights). That is 1.7 points above the national average of 77.6%.
Republic Airways was the most punctual of the 2 airlines on the route at 89.3%, while PSA Airlines trailed at 76.7%.
November has been the best month (87% on time) and Monday the weakest day of the week (71%).
2.9% of flights were cancelled, versus 1.8% nationally.
PHL to MEM 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 | 89.3% | 59 min | 2.6% | 154 |
| PSA Airlines | 76.7% | 83 min | 3.0% | 605 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHL to MEM
On-time arrival % by scheduled departure hour (local time), 1,400 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 78.3% | 2.2% | 278 |
| 9am–10am | 93.3% | 0.0% | 30 |
| 10am–11am | 89.7% | 1.1% | 88 |
| 11am–12pm | 82.4% | 0.5% | 206 |
| 12pm–1pm | 82.9% | 0.0% | 35 |
| 1pm–2pm | Limited data | 5 | |
| 2pm–3pm | 83.7% | 5.4% | 92 |
| 3pm–4pm | 80.3% | 2.1% | 145 |
| 4pm–5pm | Limited data | 4 | |
| 6pm–7pm | 72.5% | 1.9% | 54 |
| 7pm–8pm | 62.3% | 7.3% | 344 |
| 8pm–9pm | 66.1% | 5.1% | 118 |
| 9pm–10pm | Limited data | 1 | |
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 MEM
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) | Limited data | 23 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 29 | ||
| Summer peak (Jun 15 - Aug 15) | 69.0% | -8.9 pts | 5.7% | 315 |
| All other days | 77.9% | — | 2.8% | 1,033 |
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).