Best Time to Fly EWR to PHX: On-Time Stats by Hour & Airline
Newark Liberty International → Phoenix Sky Harbor International
Data through July 2026 · Last updated October 18, 2026
2,478 flights were scheduled from Newark (EWR) to Phoenix (PHX) in the last 12 months, and 80.1% of those that flew arrived on time, 2.4 points above the US average of 77.6%.
United Airlines was the most punctual of the 2 airlines on the route at 81.4%, while American Airlines trailed at 78.1%.
March has been the best month (88% on time) and Sunday the weakest day of the week (74%).
2.2% of flights were cancelled, versus 1.8% nationally.
EWR to PHX 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 |
|---|---|---|---|---|
| United Airlines | 81.4% | 71 min | 2.0% | 1,488 |
| American Airlines | 78.1% | 89 min | 2.4% | 990 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EWR to PHX
On-time arrival % by scheduled departure hour (local time), 4,997 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 90.0% | 1.4% | 939 |
| 7am–8am | 84.6% | 1.1% | 439 |
| 8am–9am | 88.0% | 0.0% | 51 |
| 9am–10am | Limited data | 3 | |
| 10am–11am | 75.1% | 1.6% | 726 |
| 11am–12pm | 87.4% | 2.0% | 203 |
| 12pm–1pm | 88.6% | 1.1% | 178 |
| 1pm–2pm | 82.1% | 0.7% | 304 |
| 2pm–3pm | Limited data | 20 | |
| 3pm–4pm | 81.3% | 0.8% | 124 |
| 4pm–5pm | 73.1% | 1.7% | 640 |
| 5pm–6pm | 74.4% | 2.2% | 495 |
| 6pm–7pm | 72.0% | 0.7% | 151 |
| 7pm–8pm | 77.6% | 2.5% | 244 |
| 8pm–9pm | 68.5% | 2.1% | 468 |
| 9pm–10pm | Limited data | 12 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on EWR to PHX
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) | 77.1% | -4.0 pts | 0.0% | 105 |
| Christmas & New Year (Dec 20 - Jan 3) | 72.2% | -9.0 pts | 1.3% | 226 |
| Summer peak (Jun 15 - Aug 15) | 73.6% | -7.6 pts | 3.4% | 837 |
| All other days | 81.2% | — | 1.2% | 3,829 |
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).