Flight OddsDL343 DCA → ATL
Delta Air Lines · Washington, DC to Atlanta, GA · 330 flights observed, 2025-07-01 to 2026-06-30 · 547 mi
DL343 covers more than one route in the data window — the stats below are for DCA → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-12 min
90th percentile
+35 min
Cancellation rate
3%
How often is DL343 on time?
Across 330 flights on DCA → ATL from 2025-07-01 to 2026-06-30, DL343 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +35 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 276 | 87% |
| 16-30 min | 9 | 3% |
| 31-60 min | 12 | 4% |
| 61-120 min | 10 | 3% |
| 2+ hrs | 12 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 82% | +7 min |
| 2025-08 | 27 | 89% | +36 min |
| 2025-09 | 28 | 100% | -14 min |
| 2025-10 | 31 | 90% | +5 min |
| 2025-11 | 29 | 90% | -10 min |
| 2025-12 | 19 | 74% | +25 min |
| 2026-01 | 22 | 77% | +4 min |
| 2026-02 | 25 | 92% | -10 min |
| 2026-03 | 27 | 81% | -1 min |
| 2026-04 | 24 | 92% | +10 min |
| 2026-05 | 30 | 83% | +4 min |
| 2026-06 | 29 | 83% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 46 | 76% |
| Tue | 50 | 86% |
| Wed | 32 | 94% |
| Thu | 50 | 94% |
| Fri | 47 | 89% |
| Sat | 47 | 85% |
| Sun | 47 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…