Flight OddsUA1398 ORD → ATL
United Airlines · Chicago, IL to Atlanta, GA · 262 flights observed, 2025-08-01 to 2026-06-30 · 606 mi
UA1398 covers more than one route in the data window — the stats below are for ORD → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
58%
Median delay
+9 min
90th percentile
+91 min
Cancellation rate
0%
How often is UA1398 on time?
Across 262 flights on ORD → ATL from 2025-08-01 to 2026-06-30, UA1398 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +91 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 | 152 | 58% |
| 16-30 min | 42 | 16% |
| 31-60 min | 24 | 9% |
| 61-120 min | 23 | 9% |
| 2+ hrs | 20 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 31 | 45% | +39 min |
| 2025-09 | 30 | 83% | -2 min |
| 2025-10 | 31 | 58% | +25 min |
| 2025-11 | 29 | 62% | +37 min |
| 2025-12 | 13 | 77% | +6 min |
| 2026-01 | 31 | 61% | +16 min |
| 2026-02 | 28 | 71% | +19 min |
| 2026-03 | 28 | 32% | +53 min |
| 2026-05 | 11 | 55% | +30 min |
| 2026-06 | 29 | 45% | +64 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 38 | 47% |
| Tue | 37 | 59% |
| Wed | 34 | 65% |
| Thu | 36 | 78% |
| Fri | 39 | 46% |
| Sat | 39 | 64% |
| Sun | 38 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…