Flight OddsDL1309 ATL → IAD
Delta Air Lines · Atlanta, GA to Washington, DC · 267 flights observed, 2025-07-06 to 2026-06-28 · 534 mi
DL1309 covers more than one route in the data window — the stats below are for ATL → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
+1 min
90th percentile
+51 min
Cancellation rate
3%
How often is DL1309 on time?
Across 267 flights on ATL → IAD from 2025-07-06 to 2026-06-28, DL1309 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +51 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 | 198 | 76% |
| 16-30 min | 21 | 8% |
| 31-60 min | 21 | 8% |
| 61-120 min | 8 | 3% |
| 2+ hrs | 12 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 14 | 43% | +45 min |
| 2025-08 | 13 | 54% | +30 min |
| 2025-09 | 13 | 100% | -5 min |
| 2025-10 | 29 | 97% | -4 min |
| 2025-11 | 29 | 83% | +12 min |
| 2025-12 | 22 | 82% | +10 min |
| 2026-01 | 15 | 93% | +1 min |
| 2026-02 | 23 | 91% | +4 min |
| 2026-03 | 27 | 70% | +23 min |
| 2026-04 | 26 | 69% | +17 min |
| 2026-05 | 26 | 58% | +25 min |
| 2026-06 | 23 | 65% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 44 | 77% |
| Tue | 34 | 76% |
| Wed | 36 | 78% |
| Thu | 48 | 79% |
| Fri | 44 | 61% |
| Sat | 9 | 100% |
| Sun | 45 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…