Flight OddsWN1821 MDW → IND
Southwest Airlines · Chicago, IL to Indianapolis, IN · 31 flights observed, 2025-10-02 to 2025-11-01 · 162 mi
WN1821 covers more than one route in the data window — the stats below are for MDW → IND, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-10 min
90th percentile
+43 min
Cancellation rate
0%
How often is WN1821 on time?
Across 31 flights on MDW → IND from 2025-10-02 to 2025-11-01, WN1821 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +43 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 | 24 | 77% |
| 16-30 min | 2 | 6% |
| 31-60 min | 3 | 10% |
| 61-120 min | 2 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 30 | 77% | +2 min |
| 2025-11 | 1 | 100% | -16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 4 | 100% |
| Wed | 4 | 100% |
| Thu | 5 | 60% |
| Fri | 5 | 40% |
| Sat | 5 | 80% |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…