Flight OddsUA2343 SAN → ORD
United Airlines · San Diego, CA to Chicago, IL · 300 flights observed, 2025-07-01 to 2026-05-20 · 1,723 mi
UA2343 covers more than one route in the data window — the stats below are for SAN → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-4 min
90th percentile
+19 min
Cancellation rate
1%
How often is UA2343 on time?
Across 300 flights on SAN → ORD from 2025-07-01 to 2026-05-20, UA2343 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +19 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 256 | 87% |
| 16-30 min | 16 | 5% |
| 31-60 min | 10 | 3% |
| 61-120 min | 5 | 2% |
| 2+ hrs | 7 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 83% | +4 min |
| 2025-08 | 27 | 85% | +8 min |
| 2025-09 | 22 | 77% | +9 min |
| 2025-10 | 31 | 94% | -10 min |
| 2025-11 | 23 | 87% | +3 min |
| 2025-12 | 31 | 90% | +9 min |
| 2026-01 | 30 | 80% | +16 min |
| 2026-02 | 23 | 96% | -9 min |
| 2026-03 | 27 | 81% | -1 min |
| 2026-04 | 30 | 90% | +14 min |
| 2026-05 | 20 | 95% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 44 | 86% |
| Tue | 37 | 89% |
| Wed | 38 | 97% |
| Thu | 46 | 91% |
| Fri | 44 | 80% |
| Sat | 40 | 90% |
| Sun | 45 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…