Flight OddsWN1155 HOU → DCA
Southwest Airlines · Houston, TX to Washington, DC · 14 flights observed, 2026-01-11 to 2026-03-02 · 1,218 mi
WN1155 covers more than one route in the data window — the stats below are for HOU → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
54%
Median delay
+8 min
90th percentile
+51 min
Cancellation rate
7%
How often is WN1155 on time?
Across 14 flights on HOU → DCA from 2026-01-11 to 2026-03-02, WN1155 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +51 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 7 | 54% |
| 16-30 min | 2 | 15% |
| 31-60 min | 3 | 23% |
| 61-120 min | 1 | 8% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 4 | 75% | +8 min |
| 2026-02 | 8 | 38% | +25 min |
| 2026-03 | 1 | 100% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 1 | 100% |
| Wed | No data | — |
| Thu | 3 | 33% |
| Fri | 2 | 50% |
| Sat | No data | — |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…