Flight OddsDL840 DEN → ATL
Delta Air Lines · Denver, CO to Atlanta, GA · 317 flights observed, 2025-07-01 to 2026-06-30 · 1,199 mi
DL840 covers more than one route in the data window — the stats below are for DEN → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-15 min
90th percentile
+54 min
Cancellation rate
2%
How often is DL840 on time?
Across 317 flights on DEN → ATL from 2025-07-01 to 2026-06-30, DL840 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +54 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 254 | 81% |
| 16-30 min | 17 | 5% |
| 31-60 min | 13 | 4% |
| 61-120 min | 11 | 4% |
| 2+ hrs | 17 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 55% | +78 min |
| 2025-08 | 31 | 81% | +2 min |
| 2025-09 | 30 | 80% | +2 min |
| 2025-10 | 31 | 90% | -6 min |
| 2025-11 | 29 | 86% | +0 min |
| 2025-12 | 18 | 72% | +18 min |
| 2026-01 | 26 | 100% | -26 min |
| 2026-02 | 28 | 82% | -10 min |
| 2026-03 | 29 | 86% | -6 min |
| 2026-04 | 30 | 93% | -3 min |
| 2026-05 | 5 | 80% | +4 min |
| 2026-06 | 24 | 67% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 46 | 83% |
| Tue | 45 | 87% |
| Wed | 46 | 93% |
| Thu | 44 | 75% |
| Fri | 44 | 80% |
| Sat | 44 | 80% |
| Sun | 43 | 72% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…