Flight OddsSouthwest Airlines · Raleigh/Durham, NC to Houston, TX · 64 flights observed, 2025-11-02 to 2026-01-05 · 1,050 mi
WN4178 covers more than one route in the data window — the stats below are for RDU → HOU, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN4178 on time?
Across 64 flights on RDU → HOU from 2025-11-02 to 2026-01-05, WN4178 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +22 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 | 55 | 86% |
| 16-30 min | 5 | 8% |
| 31-60 min | 2 | 3% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 28 | 93% | -10 min |
| 2025-12 | 31 | 77% | +4 min |
| 2026-01 | 5 | 100% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 90% |
| Tue | 9 | 89% |
| Wed | 9 | 89% |
| Thu | 8 | 100% |
| Fri | 9 | 78% |
| Sat | 9 | 67% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…