Flight OddsUnited Airlines · Dallas/Fort Worth, TX to Chicago, IL · 255 flights observed, 2025-07-01 to 2026-05-31 · 802 mi
UA1634 covers more than one route in the data window — the stats below are for DFW → ORD, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1634 on time?
Across 255 flights on DFW → ORD from 2025-07-01 to 2026-05-31, UA1634 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +48 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 | 204 | 81% |
| 16-30 min | 16 | 6% |
| 31-60 min | 10 | 4% |
| 61-120 min | 12 | 5% |
| 2+ hrs | 10 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 68% | +9 min |
| 2025-08 | 30 | 80% | +9 min |
| 2025-09 | 30 | 87% | -11 min |
| 2025-10 | 30 | 87% | -10 min |
| 2025-11 | 24 | 83% | +8 min |
| 2025-12 | 29 | 83% | +21 min |
| 2026-01 | 3 | 100% | -16 min |
| 2026-02 | 14 | 86% | +4 min |
| 2026-03 | 24 | 71% | +27 min |
| 2026-04 | 26 | 85% | +2 min |
| 2026-05 | 11 | 82% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 38 | 71% |
| Tue | 38 | 87% |
| Wed | 39 | 82% |
| Thu | 41 | 83% |
| Fri | 38 | 87% |
| Sat | 22 | 86% |
| Sun | 36 | 72% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…