Philadelphia (PHL) to Phoenix (PHX): On-Time Performance
Data through July 2026
The calendar drives reliability on PHL–PHX. October 2024 flights landed on schedule 92% of the time, but July 2025 dropped to 64% — a gap of 27 points. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 72%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 6.4
- last 12 months
- Duration
- 5h 15m
- scheduled
- Distance
- 2,076 mi
Monthly on-time trend
Best time to fly from PHL to PHX
Aim for departures around 8 a.m. (90% on-time); avoid 7 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 18 min |
| Tuesdaybest | 83% | 13 min |
| Wednesday | 82% | 13 min |
| Thursday | 78% | 18 min |
| Friday | 77% | 17 min |
| Saturday | 80% | 16 min |
| Sunday | 77% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft41%
- Airline operations34%
- National airspace system19%
- Weather7%
Frequently asked questions
- How often are flights from PHL to PHX delayed?
- 21% of PHL–PHX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 16 minutes.
- What is the best time of day to fly from PHL to PHX?
- Departures around 8 a.m. have the best record (90% on-time), while departures around 7 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHL to PHX?
- The scheduled PHL–PHX flight time averages 5h 15m over 2,076 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are PHL to PHX flights cancelled?
- 1.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from PHL to PHX?
- July 2025 was the roughest month in this dataset, with only 64% of arrivals on time. The best was October 2024 at 92%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 4,928 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.