Flight OddsGSP → IAD United Airlines
United Airlines · Greer, SC to Washington, DC · 880 flights, 2025-07-01 to 2026-06-30 · aggregated across 17 flight numbers
On-time arrival
84%
Median delay
-9 min
90th percentile
+40 min
Cancellation rate
2%
How on-time is United Airlines from GSP to IAD?
Across every United Airlines flight number on GSP → IAD (880 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +40 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 728 | 84% |
| 16-30 min | 36 | 4% |
| 31-60 min | 30 | 3% |
| 61-120 min | 29 | 3% |
| 2+ hrs | 39 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 100 | 70% | +34 min |
| 2025-08 | 92 | 85% | +4 min |
| 2025-09 | 70 | 87% | +1 min |
| 2025-10 | 62 | 89% | +2 min |
| 2025-11 | 53 | 85% | -2 min |
| 2025-12 | 56 | 79% | +16 min |
| 2026-01 | 51 | 92% | -7 min |
| 2026-02 | 51 | 92% | -6 min |
| 2026-03 | 65 | 85% | 0 min |
| 2026-04 | 90 | 91% | +8 min |
| 2026-05 | 87 | 83% | +9 min |
| 2026-06 | 85 | 85% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 135 | 80% |
| Tue | 125 | 87% |
| Wed | 120 | 87% |
| Thu | 133 | 87% |
| Fri | 134 | 84% |
| Sat | 99 | 86% |
| Sun | 116 | 81% |
UA flight numbers on GSP → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…