Flight OddsORD → SAN United Airlines
United Airlines · Chicago, IL to San Diego, CA · 1,672 flights, 2025-07-01 to 2026-06-30 · aggregated across 23 flight numbers
On-time arrival
78%
Median delay
-4 min
90th percentile
+43 min
Cancellation rate
0%
How on-time is United Airlines from ORD to SAN?
Across every United Airlines flight number on ORD → SAN (1,672 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +43 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,288 | 78% |
| 16-30 min | 135 | 8% |
| 31-60 min | 120 | 7% |
| 61-120 min | 70 | 4% |
| 2+ hrs | 46 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 153 | 75% | +9 min |
| 2025-08 | 151 | 75% | +14 min |
| 2025-09 | 140 | 76% | +12 min |
| 2025-10 | 153 | 73% | +11 min |
| 2025-11 | 140 | 81% | +2 min |
| 2025-12 | 137 | 72% | +12 min |
| 2026-01 | 115 | 78% | +6 min |
| 2026-02 | 99 | 84% | -5 min |
| 2026-03 | 138 | 83% | -6 min |
| 2026-04 | 137 | 73% | +15 min |
| 2026-05 | 149 | 87% | -3 min |
| 2026-06 | 147 | 76% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 247 | 76% |
| Tue | 229 | 83% |
| Wed | 225 | 82% |
| Thu | 244 | 76% |
| Fri | 245 | 71% |
| Sat | 222 | 82% |
| Sun | 247 | 74% |
UA flight numbers on ORD → SAN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…