Flight OddsUA3991 CLE → IAD
United Airlines · Cleveland, OH to Washington, DC · 45 flights observed, 2026-01-08 to 2026-03-04 · 287 mi
UA3991 covers more than one route in the data window — the stats below are for CLE → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-10 min
90th percentile
+10 min
Cancellation rate
4%
How often is UA3991 on time?
Across 45 flights on CLE → IAD from 2026-01-08 to 2026-03-04, UA3991 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +10 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 40 | 93% |
| 16-30 min | 2 | 5% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 14 | 86% | -3 min |
| 2026-02 | 25 | 96% | -13 min |
| 2026-03 | 4 | 100% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 100% |
| Tue | 8 | 75% |
| Wed | 3 | 100% |
| Thu | 8 | 100% |
| Fri | 8 | 100% |
| Sat | 3 | 100% |
| Sun | 6 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…