Flight OddsDL4980 DTW → IAD
Delta Air Lines · Detroit, MI to Washington, DC · 31 flights observed, 2025-08-10 to 2025-09-09 · 383 mi
DL4980 covers more than one route in the data window — the stats below are for DTW → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-8 min
90th percentile
+55 min
Cancellation rate
0%
How often is DL4980 on time?
Across 31 flights on DTW → IAD from 2025-08-10 to 2025-09-09, DL4980 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +55 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 27 | 87% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 22 | 86% | +7 min |
| 2025-09 | 9 | 89% | +52 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 5 | 60% |
| Wed | 4 | 100% |
| Thu | 4 | 100% |
| Fri | 4 | 100% |
| Sat | 4 | 75% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…