Flight OddsWN1275 BOS → DEN
Southwest Airlines · Boston, MA to Denver, CO · 18 flights observed, 2025-11-02 to 2026-01-05 · 1,754 mi
WN1275 covers more than one route in the data window — the stats below are for BOS → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
33%
Median delay
+25 min
90th percentile
+87 min
Cancellation rate
0%
How often is WN1275 on time?
Across 18 flights on BOS → DEN from 2025-11-02 to 2026-01-05, WN1275 arrived within 15 minutes of schedule 33% of the time. The median arrival delay was +25 min, and the worst 10% of flights arrived +87 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 | 6 | 33% |
| 16-30 min | 6 | 33% |
| 31-60 min | 2 | 11% |
| 61-120 min | 3 | 17% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 13 | 46% | +32 min |
| 2025-12 | 4 | 0% | +38 min |
| 2026-01 | 1 | 0% | +85 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 3 | 0% |
| Fri | 5 | 40% |
| Sat | No data | — |
| Sun | 7 | 43% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…