Flight OddsGSO → IAD United Airlines
United Airlines · Greensboro/High Point, NC to Washington, DC · 779 flights, 2025-07-01 to 2026-06-30 · aggregated across 27 flight numbers
On-time arrival
84%
Median delay
-12 min
90th percentile
+33 min
Cancellation rate
2%
How on-time is United Airlines from GSO to IAD?
Across every United Airlines flight number on GSO → IAD (779 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -12 min; the worst 10% ran +33 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 646 | 84% |
| 16-30 min | 38 | 5% |
| 31-60 min | 27 | 4% |
| 61-120 min | 18 | 2% |
| 2+ hrs | 36 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 76 | 91% | +4 min |
| 2025-08 | 78 | 91% | -5 min |
| 2025-09 | 70 | 93% | +4 min |
| 2025-10 | 63 | 86% | +4 min |
| 2025-11 | 53 | 83% | +2 min |
| 2025-12 | 60 | 60% | +30 min |
| 2026-01 | 52 | 85% | +4 min |
| 2026-02 | 52 | 81% | +1 min |
| 2026-03 | 57 | 81% | +16 min |
| 2026-04 | 73 | 89% | +17 min |
| 2026-05 | 75 | 89% | +4 min |
| 2026-06 | 56 | 77% | +36 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 121 | 81% |
| Tue | 114 | 85% |
| Wed | 104 | 80% |
| Thu | 121 | 87% |
| Fri | 121 | 86% |
| Sat | 74 | 88% |
| Sun | 110 | 85% |
UA flight numbers on GSO → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…