Flight OddsUA3688 LGA → IAD
United Airlines · New York, NY to Washington, DC · 315 flights observed, 2025-07-01 to 2026-06-30 · 228 mi
UA3688 covers more than one route in the data window — the stats below are for LGA → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
61%
Median delay
+1 min
90th percentile
+97 min
Cancellation rate
6%
How often is UA3688 on time?
Across 315 flights on LGA → IAD from 2025-07-01 to 2026-06-30, UA3688 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +97 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 181 | 61% |
| 16-30 min | 27 | 9% |
| 31-60 min | 34 | 11% |
| 61-120 min | 34 | 11% |
| 2+ hrs | 21 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 46% | +77 min |
| 2025-08 | 30 | 60% | +24 min |
| 2025-09 | 30 | 57% | +21 min |
| 2025-10 | 31 | 68% | +36 min |
| 2025-11 | 26 | 58% | +37 min |
| 2025-12 | 16 | 69% | +23 min |
| 2026-01 | 24 | 63% | +27 min |
| 2026-02 | 24 | 79% | +3 min |
| 2026-03 | 25 | 48% | +19 min |
| 2026-04 | 5 | 80% | -4 min |
| 2026-05 | 30 | 70% | +15 min |
| 2026-06 | 30 | 53% | +37 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 39 | 54% |
| Tue | 44 | 66% |
| Wed | 42 | 60% |
| Thu | 44 | 52% |
| Fri | 43 | 56% |
| Sat | 45 | 80% |
| Sun | 40 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…