Flight OddsDL2550 IAD → ATL
Delta Air Lines · Washington, DC to Atlanta, GA · 64 flights observed, 2025-07-01 to 2025-09-02 · 534 mi
DL2550 covers more than one route in the data window — the stats below are for IAD → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-9 min
90th percentile
+10 min
Cancellation rate
3%
How often is DL2550 on time?
Across 64 flights on IAD → ATL from 2025-07-01 to 2025-09-02, DL2550 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +10 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 | 56 | 90% |
| 16-30 min | 3 | 5% |
| 31-60 min | 1 | 2% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 87% | +1 min |
| 2025-08 | 30 | 93% | -8 min |
| 2025-09 | 2 | 100% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 78% |
| Tue | 10 | 100% |
| Wed | 9 | 100% |
| Thu | 9 | 89% |
| Fri | 9 | 89% |
| Sat | 7 | 86% |
| Sun | 9 | 89% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…