DL850 ATL → DCA
Delta Air Lines · Atlanta, GA to Washington, DC · 349 flights observed, 2025-07-01 to 2026-06-30 · 547 mi
DL850 covers more than one route in the data window — the stats below are for ATL → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
57%
Median delay
+9 min
90th percentile
+61 min
Cancellation rate
1%
How often is DL850 on time?
Across 349 flights on ATL → DCA from 2025-07-01 to 2026-06-30, DL850 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +61 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 197 | 57% |
| 16-30 min | 62 | 18% |
| 31-60 min | 48 | 14% |
| 61-120 min | 15 | 4% |
| 2+ hrs | 21 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 38% | +64 min |
| 2025-08 | 31 | 77% | +10 min |
| 2025-09 | 30 | 63% | +17 min |
| 2025-10 | 31 | 65% | +9 min |
| 2025-11 | 30 | 47% | +41 min |
| 2025-12 | 18 | 67% | +16 min |
| 2026-01 | 26 | 46% | +26 min |
| 2026-02 | 28 | 57% | +24 min |
| 2026-03 | 31 | 52% | +23 min |
| 2026-04 | 30 | 53% | +16 min |
| 2026-05 | 30 | 70% | +8 min |
| 2026-06 | 29 | 55% | +34 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 57% |
| Tue | 51 | 59% |
| Wed | 49 | 49% |
| Thu | 49 | 59% |
| Fri | 50 | 58% |
| Sat | 49 | 69% |
| Sun | 46 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…