Flight OddsUA4548 GRR → ORD
United Airlines · Grand Rapids, MI to Chicago, IL · 35 flights observed, 2026-01-06 to 2026-02-10 · 137 mi
UA4548 covers more than one route in the data window — the stats below are for GRR → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
31%
Median delay
+25 min
90th percentile
+153 min
Cancellation rate
0%
How often is UA4548 on time?
Across 35 flights on GRR → ORD from 2026-01-06 to 2026-02-10, UA4548 arrived within 15 minutes of schedule 31% of the time. The median arrival delay was +25 min, and the worst 10% of flights arrived +153 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 11 | 31% |
| 16-30 min | 7 | 20% |
| 31-60 min | 7 | 20% |
| 61-120 min | 5 | 14% |
| 2+ hrs | 5 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 27% | +75 min |
| 2026-02 | 9 | 44% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 0% |
| Tue | 6 | 50% |
| Wed | 4 | 0% |
| Thu | 5 | 40% |
| Fri | 5 | 20% |
| Sat | 5 | 60% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…