Flight OddsWN1431 MDW → HOU
Southwest Airlines · Chicago, IL to Houston, TX · 19 flights observed, 2026-06-04 to 2026-06-30 · 937 mi
WN1431 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
44%
Median delay
+22 min
90th percentile
+55 min
Cancellation rate
5%
How often is WN1431 on time?
Across 19 flights on MDW → HOU from 2026-06-04 to 2026-06-30, WN1431 arrived within 15 minutes of schedule 44% of the time. The median arrival delay was +22 min, and the worst 10% of flights arrived +55 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 8 | 44% |
| 16-30 min | 4 | 22% |
| 31-60 min | 4 | 22% |
| 61-120 min | 1 | 6% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 18 | 44% | +25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 4 | 25% |
| Wed | 3 | 0% |
| Thu | 3 | 67% |
| Fri | 4 | 75% |
| Sat | No data | — |
| 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…