Flight OddsUA4963 IAD → GSP
United Airlines · Washington, DC to Greer, SC · 336 flights observed, 2025-07-01 to 2026-06-30 · 384 mi
UA4963 covers more than one route in the data window — the stats below are for IAD → GSP, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-7 min
90th percentile
+74 min
Cancellation rate
3%
How often is UA4963 on time?
Across 336 flights on IAD → GSP from 2025-07-01 to 2026-06-30, UA4963 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +74 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 252 | 78% |
| 16-30 min | 21 | 6% |
| 31-60 min | 17 | 5% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 26 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 24 | 42% | +59 min |
| 2025-08 | 27 | 89% | +4 min |
| 2025-09 | 29 | 86% | +14 min |
| 2025-10 | 31 | 74% | +2 min |
| 2025-11 | 30 | 83% | -1 min |
| 2025-12 | 31 | 65% | +35 min |
| 2026-01 | 27 | 78% | +41 min |
| 2026-02 | 28 | 71% | +12 min |
| 2026-03 | 31 | 84% | +28 min |
| 2026-04 | 28 | 93% | +22 min |
| 2026-05 | 10 | 70% | +42 min |
| 2026-06 | 29 | 86% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 73% |
| Tue | 48 | 75% |
| Wed | 47 | 81% |
| Thu | 47 | 85% |
| Fri | 47 | 81% |
| Sat | 47 | 77% |
| Sun | 41 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…