Flight OddsUA1678 DCA → IAH
United Airlines · Washington, DC to Houston, TX · 80 flights observed, 2026-03-05 to 2026-06-30 · 1,208 mi
UA1678 covers more than one route in the data window — the stats below are for DCA → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-19 min
90th percentile
+82 min
Cancellation rate
0%
How often is UA1678 on time?
Across 80 flights on DCA → IAH from 2026-03-05 to 2026-06-30, UA1678 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +82 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 | 61 | 76% |
| 16-30 min | 4 | 5% |
| 31-60 min | 5 | 6% |
| 61-120 min | 4 | 5% |
| 2+ hrs | 6 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 23 | 74% | +50 min |
| 2026-04 | 26 | 81% | -10 min |
| 2026-05 | 26 | 77% | +0 min |
| 2026-06 | 5 | 60% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 69% |
| Tue | 13 | 69% |
| Wed | 12 | 67% |
| Thu | 14 | 93% |
| Fri | 14 | 86% |
| Sat | No data | — |
| Sun | 14 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…