Flight OddsWN3634 PIT → MDW
Southwest Airlines · Pittsburgh, PA to Chicago, IL · 46 flights observed, 2025-11-02 to 2026-01-05 · 402 mi
WN3634 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
65%
Median delay
-1 min
90th percentile
+42 min
Cancellation rate
0%
How often is WN3634 on time?
Across 46 flights on PIT → MDW from 2025-11-02 to 2026-01-05, WN3634 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +42 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 30 | 65% |
| 16-30 min | 8 | 17% |
| 31-60 min | 6 | 13% |
| 61-120 min | 2 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 24 | 67% | +10 min |
| 2025-12 | 20 | 65% | +6 min |
| 2026-01 | 2 | 50% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | 6 | 67% |
| Wed | 8 | 75% |
| Thu | 8 | 75% |
| Fri | 6 | 83% |
| Sat | 4 | 50% |
| Sun | 7 | 43% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…