Flight OddsWN4990 ATL → DCA
Southwest Airlines · Atlanta, GA to Washington, DC · 23 flights observed, 2026-06-04 to 2026-06-30 · 547 mi
WN4990 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
35%
Median delay
+32 min
90th percentile
+118 min
Cancellation rate
0%
How often is WN4990 on time?
Across 23 flights on ATL → DCA from 2026-06-04 to 2026-06-30, WN4990 arrived within 15 minutes of schedule 35% of the time. The median arrival delay was +32 min, and the worst 10% of flights arrived +118 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 | 8 | 35% |
| 16-30 min | 2 | 9% |
| 31-60 min | 6 | 26% |
| 61-120 min | 5 | 22% |
| 2+ hrs | 2 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 23 | 35% | +41 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 4 | 50% |
| Wed | 3 | 0% |
| Thu | 4 | 50% |
| Fri | 4 | 25% |
| Sat | No data | — |
| Sun | 4 | 25% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…