Flight OddsWN1557 ATL → MDW
Southwest Airlines · Atlanta, GA to Chicago, IL · 49 flights observed, 2026-04-07 to 2026-06-03 · 591 mi
WN1557 covers more than one route in the data window — the stats below are for ATL → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
+1 min
90th percentile
+66 min
Cancellation rate
0%
How often is WN1557 on time?
Across 49 flights on ATL → MDW from 2026-04-07 to 2026-06-03, WN1557 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +66 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 | 32 | 67% |
| 16-30 min | 8 | 17% |
| 31-60 min | 3 | 6% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 4 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 20 | 85% | +2 min |
| 2026-05 | 25 | 52% | +31 min |
| 2026-06 | 3 | 67% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 38% |
| Tue | 9 | 67% |
| Wed | 9 | 100% |
| Thu | 8 | 63% |
| Fri | 7 | 71% |
| Sat | No data | — |
| Sun | 7 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…