Phoenix (PHX) to Chicago (ORD): On-Time Performance
Data through July 2026
When you fly PHX to ORD matters as much as anything else about the booking: the route swung from 92% on-time in November 2024 to just 66% in July 2024. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (85% vs 76%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 15
- last 12 months
- Duration
- 3h 34m
- scheduled
- Distance
- 1,440 mi
Best airline from PHX to ORD
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 81% | 16 min | 0.7% | 4,064 |
| American Airlines | 80% | 15 min | 1.5% | 6,267 |
| Frontier Airlines | 68% | 35 min | 3.4% | 465 |
| Southwest Airlines | 67% | 22 min | 0.7% | 875 |
Monthly on-time trend
Best time to fly from PHX to ORD
Aim for departures around 5 a.m. (93% on-time); avoid 5 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 19 min |
| Tuesdaybest | 81% | 15 min |
| Wednesday | 80% | 15 min |
| Thursday | 78% | 15 min |
| Friday | 77% | 20 min |
| Saturday | 81% | 16 min |
| Sunday | 77% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations32%
- National airspace system29%
- Weather2%
Frequently asked questions
- How often are flights from PHX to ORD delayed?
- 21% of PHX–ORD 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 17 minutes.
- Which airline is most reliable from PHX to ORD?
- United Airlines has the best on-time record on this route at 81%, based on 4,064 flights. 4 airlines flew PHX–ORD frequently enough to compare in this period.
- What is the best time of day to fly from PHX to ORD?
- Departures around 5 a.m. have the best record (93% on-time), while departures around 5 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHX to ORD?
- The scheduled PHX–ORD flight time averages 3h 34m over 1,440 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are PHX to ORD flights cancelled?
- 1.2% 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 PHX to ORD?
- July 2024 was the roughest month in this dataset, with only 66% of arrivals on time. The best was November 2024 at 92%. If your dates are flexible, that 26-point gap is worth planning around.
Explore related pages
More routes from PHX
Other ways to fly to Chicago (ORD)
Related guides
Based on 11,671 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.