Flight OddsIAD → SLC United Airlines
United Airlines · Washington, DC to Salt Lake City, UT · 350 flights, 2025-07-01 to 2026-06-30 · aggregated across 4 flight numbers
On-time arrival
84%
Median delay
-10 min
90th percentile
+35 min
Cancellation rate
1%
How on-time is United Airlines from IAD to SLC?
Across every United Airlines flight number on IAD → SLC (350 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +35 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 293 | 84% |
| 16-30 min | 17 | 5% |
| 31-60 min | 17 | 5% |
| 61-120 min | 8 | 2% |
| 2+ hrs | 12 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 90% | -21 min |
| 2025-08 | 32 | 94% | -18 min |
| 2025-09 | 30 | 80% | -3 min |
| 2025-10 | 31 | 90% | -4 min |
| 2025-11 | 30 | 80% | 0 min |
| 2025-12 | 14 | 79% | +15 min |
| 2026-01 | 30 | 83% | +8 min |
| 2026-02 | 28 | 75% | +5 min |
| 2026-03 | 31 | 84% | +12 min |
| 2026-04 | 30 | 90% | +2 min |
| 2026-05 | 31 | 90% | -1 min |
| 2026-06 | 29 | 72% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 86% |
| Tue | 50 | 90% |
| Wed | 49 | 86% |
| Thu | 50 | 78% |
| Fri | 50 | 84% |
| Sat | 50 | 90% |
| Sun | 47 | 77% |
UA flight numbers on IAD → SLC
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…