WN2238 MDW → BUF
Southwest Airlines · Chicago, IL to Buffalo, NY · 16 flights observed, 2026-04-11 to 2026-05-31 · 468 mi
WN2238 covers more than one route in the data window — the stats below are for MDW → BUF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
69%
Median delay
-1 min
90th percentile
+41 min
Cancellation rate
0%
How often is WN2238 on time?
Across 16 flights on MDW → BUF from 2026-04-11 to 2026-05-31, WN2238 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +41 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 | 11 | 69% |
| 16-30 min | 3 | 19% |
| 31-60 min | 1 | 6% |
| 61-120 min | 1 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 6 | 33% | +22 min |
| 2026-05 | 10 | 90% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 8 | 50% |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…