Flight OddsMCI → BOS Southwest Airlines
Southwest Airlines · Kansas City, MO to Boston, MA · 27 flights, 2026-06-04 to 2026-06-30 · aggregated across 3 flight numbers
On-time arrival
56%
Median delay
+10 min
90th percentile
+138 min
Cancellation rate
0%
How on-time is Southwest Airlines from MCI to BOS?
Across every Southwest Airlines flight number on MCI → BOS (27 flights, 2026-06-04 to 2026-06-30), 56% arrived within 15 minutes of schedule. Median arrival delay +10 min; the worst 10% ran +138 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 56% |
| 16-30 min | 1 | 4% |
| 31-60 min | 4 | 15% |
| 61-120 min | 3 | 11% |
| 2+ hrs | 4 | 15% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 27 | 56% | +37 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 4 | 75% |
| Wed | 3 | 67% |
| Thu | 4 | 50% |
| Fri | 4 | 50% |
| Sat | 4 | 75% |
| Sun | 4 | 25% |
WN flight numbers on MCI → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…