Route Reliability
PIA → Chicago
PIA–ORD · 130 miles · PIA Airport to Chicago O'Hare International Airport
- 70%
- Arrive within 15 minutes
- 20 min
- Average arrival delay
- 3.9%
- Cancelled
- 2,827
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines78%1,021 flights
- 2.United Airlines65%1,806 flights
What the data says
Morning flights do better here.
PIA–ORD flights departing between 3–6 AM arrived on time 91% of the time, versus 48% between 3–6 PM.
Sunday scaries are real for this one.
PIA–ORD flights arrived on time 76% of the time on Saturdays. On Sundays: 62%.
American Airlines runs this route best.
American Airlines arrived on time 78% of the time on this route; United Airlines managed 65%.
Keep a backup plan handy.
This route was cancelled 3.9% of the time. Typical for U.S. flights is around 1–2%.
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
- Mon67%(391 flights)
- Tue73%(396 flights)
- Wed73%(395 flights)
- Thu69%(389 flights)
- Fri69%(394 flights)
- Sat76%(352 flights)
- Sun62%(397 flights)
- 3–6 AM91%(54 flights)
- 6–9 AM83%(792 flights)
- 9 AM–12 PM76%(573 flights)
- 12–3 PM70%(387 flights)
- 3–6 PM48%(614 flights)
- 6–9 PM64%(294 flights)
Jun 69% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 209 |
| July 2025 | 65% | 208 |
| August 2025 | 75% | 214 |
| September 2025 | 77% | 229 |
| October 2025 | 72% | 240 |
| November 2025 | 70% | 199 |
| December 2025 | 58% | 205 |
| January 2026 | 66% | 203 |
| February 2026 | 74% | 215 |
| March 2026 | 68% | 243 |
| April 2026 | 66% | 275 |
| May 2026 | 74% | 274 |
Keep nerding
Based on 2,827 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.