Flight OddsDL5638 BOS → MCI
Delta Air Lines · Boston, MA to Kansas City, MO · 111 flights observed, 2025-12-20 to 2026-04-12 · 1,256 mi
DL5638 covers more than one route in the data window — the stats below are for BOS → MCI, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-11 min
90th percentile
+30 min
Cancellation rate
4%
How often is DL5638 on time?
Across 111 flights on BOS → MCI from 2025-12-20 to 2026-04-12, DL5638 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +30 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 89 | 83% |
| 16-30 min | 7 | 7% |
| 31-60 min | 4 | 4% |
| 61-120 min | 6 | 6% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 11 | 64% | +12 min |
| 2026-01 | 27 | 78% | +0 min |
| 2026-02 | 26 | 88% | -15 min |
| 2026-03 | 31 | 87% | -1 min |
| 2026-04 | 12 | 92% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 93% |
| Tue | 14 | 93% |
| Wed | 16 | 94% |
| Thu | 16 | 94% |
| Fri | 14 | 64% |
| Sat | 17 | 76% |
| Sun | 16 | 69% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…