Flight OddsUA1991 ORD → DTW
United Airlines · Chicago, IL to Detroit, MI · 44 flights observed, 2026-02-12 to 2026-03-28 · 235 mi
UA1991 covers more than one route in the data window — the stats below are for ORD → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
74%
Median delay
+2 min
90th percentile
+86 min
Cancellation rate
5%
How often is UA1991 on time?
Across 44 flights on ORD → DTW from 2026-02-12 to 2026-03-28, UA1991 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +86 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 31 | 74% |
| 16-30 min | 2 | 5% |
| 31-60 min | 2 | 5% |
| 61-120 min | 4 | 10% |
| 2+ hrs | 3 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 17 | 71% | +16 min |
| 2026-03 | 25 | 76% | +51 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 50% |
| Tue | 5 | 100% |
| Wed | 5 | 80% |
| Thu | 7 | 71% |
| Fri | 7 | 57% |
| Sat | 7 | 86% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…