Flight OddsWN3151 MDW → HOU
Southwest Airlines · Chicago, IL to Houston, TX · 49 flights observed, 2026-04-07 to 2026-06-03 · 937 mi
WN3151 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
65%
Median delay
+6 min
90th percentile
+58 min
Cancellation rate
2%
How often is WN3151 on time?
Across 49 flights on MDW → HOU from 2026-04-07 to 2026-06-03, WN3151 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +58 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 31 | 65% |
| 16-30 min | 6 | 13% |
| 31-60 min | 6 | 13% |
| 61-120 min | 3 | 6% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 20 | 80% | +10 min |
| 2026-05 | 25 | 48% | +28 min |
| 2026-06 | 3 | 100% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | 9 | 78% |
| Wed | 9 | 78% |
| Thu | 8 | 50% |
| Fri | 7 | 57% |
| Sat | No data | — |
| Sun | 8 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…