Flight OddsWN1800 MDW → BOS
Southwest Airlines · Chicago, IL to Boston, MA · 34 flights observed, 2026-04-07 to 2026-06-03 · 861 mi
WN1800 covers more than one route in the data window — the stats below are for MDW → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-5 min
90th percentile
+20 min
Cancellation rate
0%
How often is WN1800 on time?
Across 34 flights on MDW → BOS from 2026-04-07 to 2026-06-03, WN1800 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +20 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 | 29 | 85% |
| 16-30 min | 3 | 9% |
| 31-60 min | 2 | 6% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 14 | 93% | -3 min |
| 2026-05 | 18 | 78% | +3 min |
| 2026-06 | 2 | 100% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 9 | 89% |
| Wed | 9 | 100% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 8 | 100% |
| Sun | 8 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…