Flight OddsUA4977 IAD → SYR
United Airlines · Washington, DC to Syracuse, NY · 187 flights observed, 2025-07-01 to 2026-06-30 · 295 mi
On-time arrival
80%
Median delay
-7 min
90th percentile
+62 min
Cancellation rate
6%
How often is UA4977 on time?
Across 187 flights on IAD → SYR from 2025-07-01 to 2026-06-30, UA4977 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +62 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 | 140 | 80% |
| 16-30 min | 8 | 5% |
| 31-60 min | 9 | 5% |
| 61-120 min | 11 | 6% |
| 2+ hrs | 7 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 72% | +18 min |
| 2025-08 | 18 | 72% | +10 min |
| 2026-01 | 17 | 82% | +65 min |
| 2026-02 | 8 | 75% | +18 min |
| 2026-03 | 27 | 70% | +16 min |
| 2026-04 | 28 | 89% | -7 min |
| 2026-05 | 28 | 86% | -3 min |
| 2026-06 | 24 | 88% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 96% |
| Tue | 23 | 74% |
| Wed | 26 | 69% |
| Thu | 29 | 83% |
| Fri | 28 | 79% |
| Sat | 20 | 85% |
| Sun | 26 | 77% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…