Flight OddsWN2877 DEN → ONT
Southwest Airlines · Denver, CO to Ontario, CA · 24 flights observed, 2026-04-09 to 2026-06-01 · 819 mi
WN2877 covers more than one route in the data window — the stats below are for DEN → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
+8 min
90th percentile
+28 min
Cancellation rate
0%
How often is WN2877 on time?
Across 24 flights on DEN → ONT from 2026-04-09 to 2026-06-01, WN2877 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +28 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 | 16 | 67% |
| 16-30 min | 6 | 25% |
| 31-60 min | 2 | 8% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 10 | 50% | +15 min |
| 2026-05 | 13 | 85% | +4 min |
| 2026-06 | 1 | 0% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 50% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 88% |
| Fri | 8 | 63% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…