Flight OddsUA3997 IAD → IND
United Airlines · Washington, DC to Indianapolis, IN · 58 flights observed, 2026-03-06 to 2026-06-30 · 476 mi
UA3997 covers more than one route in the data window — the stats below are for IAD → IND, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
+6 min
90th percentile
+49 min
Cancellation rate
0%
How often is UA3997 on time?
Across 58 flights on IAD → IND from 2026-03-06 to 2026-06-30, UA3997 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +49 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 | 41 | 72% |
| 16-30 min | 7 | 12% |
| 31-60 min | 4 | 7% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 19 | 79% | +9 min |
| 2026-05 | 9 | 67% | +20 min |
| 2026-06 | 29 | 69% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 78% |
| Tue | 9 | 67% |
| Wed | 8 | 38% |
| Thu | 8 | 100% |
| Fri | 9 | 67% |
| Sat | 5 | 80% |
| Sun | 9 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…