Flight OddsWN3946 MDW → HOU
Southwest Airlines · Chicago, IL to Houston, TX · 39 flights observed, 2026-04-09 to 2026-06-01 · 937 mi
WN3946 covers more than one route in the data window — the stats below are for MDW → HOU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
47%
Median delay
+17 min
90th percentile
+40 min
Cancellation rate
3%
How often is WN3946 on time?
Across 39 flights on MDW → HOU from 2026-04-09 to 2026-06-01, WN3946 arrived within 15 minutes of schedule 47% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +40 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 18 | 47% |
| 16-30 min | 9 | 24% |
| 31-60 min | 9 | 24% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 15 | 53% | +12 min |
| 2026-05 | 22 | 41% | +23 min |
| 2026-06 | 1 | 100% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 38% |
| Fri | 8 | 38% |
| Sat | 8 | 75% |
| Sun | 7 | 29% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…