Phoenix Sky Harbor International (PHX) Delays and On-Time Departures
Phoenix, AZ · ranked 263rd of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
76.7% of the 197,642 flights scheduled to depart Phoenix (PHX) in the last 12 months left on time, 0.7 points below the US average of 77.4%.
That ranks 263rd of 333 US airports tracked on this site, with 0.9% of departures cancelled.
Envoy Air was the most punctual airline here, with 85.6% of departures on time.
September has been the best month (83% on time) and Sunday the weakest day of the week (76%).
Best time of day to fly out of Phoenix (PHX)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 81.7% | 1.8% | 2,191 |
| 1am–2am | 81.6% | 0.5% | 186 |
| 5am–6am | 94.8% | 0.7% | 8,016 |
| 6am–7am | 94.7% | 0.8% | 16,274 |
| 7am–8am | 91.4% | 0.4% | 23,697 |
| 8am–9am | 88.3% | 0.4% | 34,678 |
| 9am–10am | 84.8% | 0.6% | 27,197 |
| 10am–11am | 83.1% | 0.5% | 29,891 |
| 11am–12pm | 80.7% | 0.7% | 24,192 |
| 12pm–1pm | 79.3% | 0.7% | 21,039 |
| 1pm–2pm | 78.3% | 0.7% | 23,209 |
| 2pm–3pm | 74.4% | 0.6% | 19,989 |
| 3pm–4pm | 72.2% | 0.7% | 24,344 |
| 4pm–5pm | 71.3% | 0.8% | 27,961 |
| 5pm–6pm | 72.3% | 0.8% | 22,069 |
| 6pm–7pm | 67.2% | 0.8% | 19,962 |
| 7pm–8pm | 69.5% | 0.8% | 19,787 |
| 8pm–9pm | 70.4% | 0.6% | 20,972 |
| 9pm–10pm | 70.0% | 0.5% | 12,587 |
| 10pm–11pm | 72.0% | 1.0% | 9,734 |
| 11pm–12am | 81.9% | 1.3% | 8,719 |
Airlines at PHX ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Envoy Air | 85.6% | 84.7% | 0.6% | 10,845 |
| Delta Air Lines | 85.2% | 86.6% | 1.1% | 10,647 |
| Alaska Airlines | 84.5% | 85.0% | 0.6% | 5,634 |
| United Airlines | 83.8% | 81.0% | 0.8% | 10,082 |
| Hawaiian Airlines | 81.7% | 84.3% | 0.0% | 153 |
| SkyWest Airlines | 81.1% | 80.7% | 0.8% | 27,294 |
| Frontier Airlines | 80.1% | 79.3% | 1.2% | 7,623 |
| American Airlines | 78.5% | 78.7% | 1.1% | 56,671 |
| Spirit Airlines | 77.0% | 79.1% | 1.4% | 141 |
| Allegiant Air | 71.3% | 74.3% | 0.3% | 325 |
| JetBlue | 71.0% | 71.1% | 3.0% | 1,102 |
| Southwest Airlines | 68.6% | 73.8% | 0.6% | 67,125 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of PHX
On-time departures by day, 24 months.
Best month to fly out of PHX
On-time departures by month, 24 months.
Holiday travel at Phoenix (PHX)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 78.4% | -1.9 pts | 0.5% | 8,089 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.3% | -6.0 pts | 0.6% | 17,465 |
| Summer peak (Jun 15 - Aug 15) | 73.0% | -7.3 pts | 0.8% | 63,099 |
| All other days | 80.3% | — | 0.7% | 308,041 |
Monthly on-time departure trend at PHX
On-time departure % each month, with the 12-month US average for reference.
Routes from Phoenix (PHX)
Every route from PHX with its own page, by number of flights (last 12 months, on-time arrivals).