Flight OddsSouthwest Airlines · Phoenix, AZ to Colorado Springs, CO · 63 flights observed, 2025-07-06 to 2026-03-04 · 551 mi
WN3128 covers more than one route in the data window — the stats below are for PHX → COS, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN3128 on time?
Across 63 flights on PHX → COS from 2025-07-06 to 2026-03-04, WN3128 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +29 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 | 50 | 79% |
| 16-30 min | 7 | 11% |
| 31-60 min | 3 | 5% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 4 | 100% | -3 min |
| 2025-08 | 1 | 100% | -16 min |
| 2026-01 | 26 | 69% | +13 min |
| 2026-02 | 28 | 86% | +1 min |
| 2026-03 | 4 | 75% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 9 | 89% |
| Wed | 9 | 56% |
| Thu | 8 | 75% |
| Fri | 8 | 88% |
| Sat | 8 | 88% |
| Sun | 13 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…