Flight OddsWN3181 PIT → MDW
Southwest Airlines · Pittsburgh, PA to Chicago, IL · 28 flights observed, 2025-11-03 to 2026-01-01 · 402 mi
WN3181 covers more than one route in the data window — the stats below are for PIT → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-11 min
90th percentile
+20 min
Cancellation rate
4%
How often is WN3181 on time?
Across 28 flights on PIT → MDW from 2025-11-03 to 2026-01-01, WN3181 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +20 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 23 | 85% |
| 16-30 min | 3 | 11% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 11 | 100% | -14 min |
| 2025-12 | 15 | 80% | +1 min |
| 2026-01 | 1 | 0% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 6 | 83% |
| Wed | 8 | 100% |
| Thu | 4 | 75% |
| Fri | 1 | 100% |
| Sat | 4 | 75% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…