Best Time to Fly PHX to RDU: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Raleigh-Durham International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 72.2% of Phoenix (PHX) to Raleigh/Durham (RDU) flights arrived on time (834 scheduled flights). That is 5.5 points below the national average of 77.6%.
American Airlines was the most punctual of the 2 airlines on the route at 73.8%, while Southwest Airlines trailed at 69.6%.
January has been the best month (86% on time) and Sunday the weakest day of the week (68%).
1.1% of flights were cancelled, versus 1.8% nationally.
PHX to RDU 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 |
|---|---|---|---|---|
| American Airlines | 73.8% | 70 min | 1.0% | 513 |
| Southwest Airlines | 69.6% | 47 min | 1.2% | 321 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to RDU
On-time arrival % by scheduled departure hour (local time), 1,489 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 1 | |
| 8am–9am | 67.7% | 0.0% | 94 |
| 9am–10am | 78.4% | 0.0% | 148 |
| 10am–11am | 84.8% | 0.0% | 60 |
| 11am–12pm | 73.6% | 0.0% | 54 |
| 12pm–1pm | 63.7% | 0.8% | 126 |
| 1pm–2pm | 69.1% | 0.0% | 98 |
| 2pm–3pm | Limited data | 5 | |
| 3pm–4pm | 71.7% | 0.5% | 419 |
| 4pm–5pm | 76.4% | 1.4% | 280 |
| 5pm–6pm | 78.0% | 2.3% | 172 |
| 6pm–7pm | Limited data | 25 | |
| 7pm–8pm | Limited data | 1 | |
| 10pm–11pm | Limited data | 3 | |
| 11pm–12am | Limited data | 3 | |
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 RDU
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% | +5.7 pts | 0.0% | 36 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.6% | +3.7 pts | 0.0% | 70 |
| Summer peak (Jun 15 - Aug 15) | 63.4% | -11.5 pts | 0.4% | 267 |
| All other days | 74.9% | — | 0.9% | 1,116 |
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).