Route Reliability
Chicago → PLN
ORD–PLN · 293 miles · Chicago O'Hare International Airport to PLN Airport
78
Usually Fine
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 0.4%
- Cancelled
- 238
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 73% of the time across 238 flights. No comparison to make.
What the data says
Departure time hasn't mattered much.
On-time rates stay between 72% and 73% across the day.
Mondays have been rough.
ORD–PLN flights arrived on time 83% of the time on Fridays and just 63% on Mondays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon63%(32 flights)
- Tue69%(29 flights)
- Wed71%(28 flights)
- Thu82%(38 flights)
- Fri83%(36 flights)
- Sat71%(35 flights)
- Sun67%(39 flights)
- 9 AM–12 PM72%(110 flights)
- 12–3 PM73%(105 flights)
- 3–6 PM73%(22 flights)
82%
May
Jun 75% → May 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 55 |
| July 2025 | 61% | 64 |
| August 2025 | 75% | 64 |
| September 2025 | 81% | 37 |
| May 2026 | 82% | 17 |
Keep nerding
Based on 238 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.