Flight OddsWN4221 ELP → HOU
Southwest Airlines · El Paso, TX to Houston, TX · 27 flights observed, 2026-01-10 to 2026-03-02 · 677 mi
WN4221 covers more than one route in the data window — the stats below are for ELP → HOU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
96%
Median delay
-7 min
90th percentile
+7 min
Cancellation rate
4%
How often is WN4221 on time?
Across 27 flights on ELP → HOU from 2026-01-10 to 2026-03-02, WN4221 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +7 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 25 | 96% |
| 16-30 min | 1 | 4% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 8 | 100% | -9 min |
| 2026-02 | 16 | 94% | -6 min |
| 2026-03 | 2 | 100% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 1 | 100% |
| Wed | No data | — |
| Thu | 5 | 100% |
| Fri | 5 | 100% |
| Sat | 5 | 100% |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…