Flight OddsIAD → GSP United Airlines
United Airlines · Washington, DC to Greer, SC · 879 flights, 2025-07-01 to 2026-06-30 · aggregated across 19 flight numbers
On-time arrival
80%
Median delay
-9 min
90th percentile
+46 min
Cancellation rate
2%
How on-time is United Airlines from IAD to GSP?
Across every United Airlines flight number on IAD → GSP (879 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +46 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 684 | 80% |
| 16-30 min | 60 | 7% |
| 31-60 min | 45 | 5% |
| 61-120 min | 23 | 3% |
| 2+ hrs | 48 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 101 | 60% | +38 min |
| 2025-08 | 91 | 85% | +0 min |
| 2025-09 | 70 | 87% | +7 min |
| 2025-10 | 62 | 77% | +8 min |
| 2025-11 | 53 | 81% | -2 min |
| 2025-12 | 55 | 65% | +28 min |
| 2026-01 | 50 | 78% | +20 min |
| 2026-02 | 52 | 83% | +5 min |
| 2026-03 | 64 | 73% | +19 min |
| 2026-04 | 88 | 93% | +1 min |
| 2026-05 | 89 | 83% | +11 min |
| 2026-06 | 85 | 86% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 136 | 73% |
| Tue | 124 | 83% |
| Wed | 122 | 83% |
| Thu | 134 | 81% |
| Fri | 133 | 80% |
| Sat | 98 | 83% |
| Sun | 113 | 75% |
UA flight numbers on IAD → GSP
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…