Phoenix Sky Harbor (PHX): Stats & Tips

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Phoenix Sky Harbor International Airport (PHX) is one of the busiest airports in the United States, ranking among the top 20 largest airports with over 200,000 departures annually. Serving more than 10 million passengers in 2025 so far, PHX plays a major role in both domestic and international travel.

If you’re flying through Sky Harbor, understanding airline performance, peak delay times, and airport statistics can help you better prepare for a smoother journey.

 

 

Airline Performance at PHX (Jan-Aug 2025)

Based on the latest Department of Transportation data, here’s how the top carriers at Phoenix Sky Harbor perform:

Airline	Total Flights	On-Time %	Delayed %	Canceled %
Southwest Airlines	29,110	80.73%	18.42%	0.67%
American Airlines	23,136	81.63%	17.57%	0.52%
SkyWest Airlines	13,272	82.61%	16.76%	0.38%

 

Airport-Wide Flight Performance

Across all airlines, here are the chances of flights not departing at their expected time, reported by BTS.gov:

Reasons	Change of Flight Changes
Average Daily Flights	1,061
On-Time Flights	82.2%
Average Chance of Delays	17.14%
Weather Delays	0.54%
Aircraft Arriving Late	5.74%
NAS Delays (Air Traffic Control)	4.28%
Average Chance of Delays (>15 Mins)	21%
Average Deapture Delay Time	26-63 minutes
Flight Cancellations	0.2%

 

 

When to Expect Flight Delays at PHX

According to flight delay predictor data, timing is everything:

• Most Delayed Month: July
• Best Month to Fly (Least Delays): September
• Worst Time of Day: 9 PM – 5 AM (highest delays)
• Best Time of Day: 5 AM – 11:59 AM (lowest delays)

 

 

Travel Tips for Flying Through Phoenix Sky Harbor

• Flying can be stressful, but these tips will help you minimize disruptions:
• Track Your Flight in Real Time – Use a flight tracker app to monitor any changes before heading to the airport.
• Book Morning Flights – Early flights have the lowest delay risk.
• Stay Ahead During Summer Travel – July is the peak delay month, so allow extra time for connections.
• Contact Your Airline or Travel Agent Quickly – If a delay or cancellation happens, you’ll have better rebooking options if you act fast.
• Know Airport Resources – PHX offers real-time updates on its website and mobile app.
• Use PreFlight Airport Parking to ensure your experience at the airport is as seamless as possible.

 

 

Citations

• Flights. Bureau of Transportation Statistics. (n.d.-a). Flights 
• OT delay. BTS. (n.d.-a). OT_DelayCause 
• Passengers. Bureau of Transportation Statistics. (n.d.-b). Passengers 
• Performance. Bureau of Transportation Statistics. (n.d.-c). Performance
• Flights. Bureau of Transportation Statistics. (n.d.-a). Flights;
• PHX Phoenix Sky Harbor International Airport Flight Routes - destinations | Airportia. (n.d.-c). routes 
• Flight Delay Predictor. (2025c, September 10). Phoenix (PHX) flight delays: Desert Hub & Tips. FlightDelayPredictor. flight-delays