Flight OddsDL2421 ATL → CHA
Delta Air Lines · Atlanta, GA to Chattanooga, TN · 89 flights observed, 2025-09-10 to 2025-12-18 · 106 mi
DL2421 covers more than one route in the data window — the stats below are for ATL → CHA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-14 min
90th percentile
+56 min
Cancellation rate
0%
How often is DL2421 on time?
Across 89 flights on ATL → CHA from 2025-09-10 to 2025-12-18, DL2421 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +56 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 | 73 | 82% |
| 16-30 min | 4 | 4% |
| 31-60 min | 4 | 4% |
| 61-120 min | 5 | 6% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 13 | 77% | +6 min |
| 2025-10 | 28 | 89% | -7 min |
| 2025-11 | 30 | 80% | +10 min |
| 2025-12 | 18 | 78% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 79% |
| Tue | 11 | 100% |
| Wed | 12 | 83% |
| Thu | 15 | 93% |
| Fri | 13 | 92% |
| Sat | 10 | 70% |
| Sun | 14 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…