Flight OddsDL1521 MCI → ATL
Delta Air Lines · Kansas City, MO to Atlanta, GA · 24 flights observed, 2026-02-12 to 2026-03-07 · 692 mi
DL1521 covers more than one route in the data window — the stats below are for MCI → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-17 min
90th percentile
-3 min
Cancellation rate
8%
How often is DL1521 on time?
Across 24 flights on MCI → ATL from 2026-02-12 to 2026-03-07, DL1521 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived -3 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 20 | 91% |
| 16-30 min | 1 | 5% |
| 31-60 min | 1 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 16 | 94% | -16 min |
| 2026-03 | 6 | 83% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 3 | 100% |
| Wed | 3 | 100% |
| Thu | 3 | 100% |
| Fri | 4 | 100% |
| Sat | 3 | 67% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…