Flight OddsUA3990 AUS → IAD
United Airlines · Austin, TX to Washington, DC · 6 flights observed, 2026-01-10 to 2026-04-30 · 1,297 mi
UA3990 covers more than one route in the data window — the stats below are for AUS → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-6 min
90th percentile
+33 min
Cancellation rate
0%
How often is UA3990 on time?
Across 6 flights on AUS → IAD from 2026-01-10 to 2026-04-30, UA3990 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +33 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 | 5 | 83% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 17% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 4 | 100% | -20 min |
| 2026-02 | 1 | 100% | +11 min |
| 2026-04 | 1 | 0% | +54 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 1 | 0% |
| Fri | No data | — |
| Sat | 5 | 100% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…