Flight OddsWN4277 CLE → MDW
Southwest Airlines · Cleveland, OH to Chicago, IL · 46 flights observed, 2025-11-02 to 2026-01-05 · 307 mi
WN4277 covers more than one route in the data window — the stats below are for CLE → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-16 min
90th percentile
+4 min
Cancellation rate
4%
How often is WN4277 on time?
Across 46 flights on CLE → MDW from 2025-11-02 to 2026-01-05, WN4277 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +4 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 | 40 | 91% |
| 16-30 min | 2 | 5% |
| 31-60 min | 2 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 22 | 95% | -20 min |
| 2025-12 | 20 | 85% | -5 min |
| 2026-01 | 2 | 100% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 100% |
| Tue | 6 | 83% |
| Wed | 8 | 100% |
| Thu | 8 | 100% |
| Fri | 6 | 83% |
| Sat | 4 | 100% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…