Flight OddsUA5510 STL → ORD
United Airlines · St. Louis, MO to Chicago, IL · 24 flights observed, 2026-03-05 to 2026-03-28 · 258 mi
UA5510 covers more than one route in the data window — the stats below are for STL → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
48%
Median delay
+16 min
90th percentile
+104 min
Cancellation rate
13%
How often is UA5510 on time?
Across 24 flights on STL → ORD from 2026-03-05 to 2026-03-28, UA5510 arrived within 15 minutes of schedule 48% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +104 min or later. 13% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 10 | 48% |
| 16-30 min | 5 | 24% |
| 31-60 min | 0 | 0% |
| 61-120 min | 5 | 24% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 21 | 48% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 3 | 67% |
| Wed | 3 | 33% |
| Thu | 3 | 67% |
| Fri | 3 | 33% |
| Sat | 4 | 25% |
| Sun | 2 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…