Route Reliability
Phoenix → Chicago
PHX–ORD · 1,440 miles · Phoenix Sky Harbor International Airport to Chicago O'Hare International Airport
- 78%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 1.6%
- Cancelled
- 5,633
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines80%2,994 flights
- 2.United Airlines79%1,943 flights
- 3.Frontier Airlines68%212 flights
- 4.Southwest Airlines62%484 flights
What the data says
Morning flights do better here.
PHX–ORD flights departing between 3–6 AM arrived on time 93% of the time, versus 69% between 3–6 PM.
Monday is the weak spot.
PHX–ORD flights arrived on time 80% of the time on Tuesdays. On Mondays: 73%.
American Airlines has a clear lead on this route.
American Airlines arrived on time 80% of the time on this route; Southwest Airlines managed 62%.
Slipping a little lately.
PHX–ORD flights arrived on time 76% of the time over the last three months in the data, compared with 82% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon73%(808 flights)
- Tue80%(756 flights)
- Wed79%(751 flights)
- Thu79%(798 flights)
- Fri78%(805 flights)
- Sat80%(770 flights)
- Sun75%(822 flights)
- 12–3 AM88%(170 flights)
- 3–6 AM93%(267 flights)
- 6–9 AM87%(1193 flights)
- 9 AM–12 PM77%(982 flights)
- 12–3 PM73%(1142 flights)
- 3–6 PM69%(1011 flights)
- 6–9 PM72%(547 flights)
- 9 PM–12 AM83%(198 flights)
Jun 75% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 446 |
| July 2025 | 73% | 423 |
| August 2025 | 79% | 404 |
| September 2025 | 80% | 430 |
| October 2025 | 80% | 437 |
| November 2025 | 73% | 421 |
| December 2025 | 81% | 486 |
| January 2026 | 78% | 439 |
| February 2026 | 86% | 445 |
| March 2026 | 73% | 567 |
| April 2026 | 76% | 517 |
| May 2026 | 79% | 495 |
Same trip, other airports
Keep nerding
Based on 5,633 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.