Spirit Airlines · Dallas/Fort Worth, TX to Chicago, IL · 25 flights observed, 2025-07-09 to 2025-08-11 · 802 mi
NK1634 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 NK1634 on time?
Across 25 flights on DFW → ORD from 2025-07-09 to 2025-08-11, NK1634 arrived within 15 minutes of schedule 32% of the time. The median arrival delay was +28 min, and the worst 10% of flights arrived +186 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 | 8 | 32% |
| 16-30 min | 5 | 20% |
| 31-60 min | 5 | 20% |
| 61-120 min | 2 | 8% |
| 2+ hrs | 5 | 20% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 17 | 29% | +60 min |
| 2025-08 | 8 | 38% | +67 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | No data | — |
| Wed | 5 | 60% |
| Thu | 5 | 40% |
| Fri | 5 | 20% |
| Sat | No data | — |
| Sun | 5 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…