Best Time to Fly PHX to MEM: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Memphis International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.9% of Phoenix (PHX) to Memphis (MEM) flights arrived on time (486 scheduled flights). That is 3.7 points below the national average of 77.6%.
Among 3 airlines, Envoy Air led with 75.0% on time and American Airlines was last with 72.7%.
Over 24 months, Wednesday was the most reliable day (79% on time) and July the worst month (53%).
The cancellation rate was 1.2% (US average 1.8%).
PHX 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 |
|---|---|---|---|---|
| Envoy Air | 75.0% | 39 min | 0.0% | 116 |
| Southwest Airlines | 74.2% | 36 min | 0.8% | 126 |
| American Airlines | 72.7% | 55 min | 1.8% | 224 |
| Delta Air Lines | Limited data | 1 | ||
| SkyWest Airlines | Limited data | 15 | ||
| Frontier Airlines | Limited data | 4 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to MEM
On-time arrival % by scheduled departure hour (local time), 1,061 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 1 | |
| 1am–2am | Limited data | 1 | |
| 7am–8am | Limited data | 5 | |
| 8am–9am | Limited data | 9 | |
| 9am–10am | 87.1% | 0.0% | 62 |
| 10am–11am | 82.8% | 0.0% | 59 |
| 11am–12pm | 82.6% | 2.8% | 71 |
| 12pm–1pm | Limited data | 25 | |
| 1pm–2pm | Limited data | 21 | |
| 2pm–3pm | Limited data | 25 | |
| 3pm–4pm | 68.9% | 2.2% | 46 |
| 4pm–5pm | Limited data | 25 | |
| 5pm–6pm | Limited data | 13 | |
| 6pm–7pm | 66.7% | 0.3% | 367 |
| 7pm–8pm | 78.4% | 1.1% | 262 |
| 8pm–9pm | 70.3% | 4.5% | 67 |
| 11pm–12am | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHX 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 | 25 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 69.2% | -9.4 pts | 0.0% | 52 |
| Summer peak (Jun 15 - Aug 15) | 59.8% | -18.8 pts | 0.0% | 175 |
| All other days | 78.6% | — | 1.2% | 809 |
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).