Flight Reliability
NK 948 · Spirit Airlines
Chicago → Tampa (ORD–TPA)
38
Bring Snacks
WanderNerd Reliability Score
- 64%
- Arrive within 15 minutes
- 28 min
- Average arrival delay
- 6.3%
- Cancelled
- 1 min early
- Median arrival delay
Based on 112 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
NK 948 departing between 9 AM–12 PM arrived on time 69% of the time, versus 23% between 6–9 PM.
Friday is doing you no favors.
NK 948 arrived on time 81% of the time on Thursdays and just 50% on Fridays. That gap is worth planning around.
Lagging the ORD–TPA route.
NK 948 arrived on time 64% of the time, versus 74% across the ORD–TPA route.
Lagging the Spirit Airlines network.
NK 948 arrived on time 64% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon67%(15 flights)
- Tue69%(16 flights)
- Wed53%(15 flights)
- Thu81%(16 flights)
- Fri50%(14 flights)
- Sat63%(16 flights)
- Sun62%(13 flights)
- 9 AM–12 PM69%(90 flights)
- 3–6 PM—(2 flights)
- 6–9 PM23%(13 flights)
57%
Apr
Jan 70% → Apr 57% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 70% | 23 |
| February 2026 | 67% | 27 |
| March 2026 | 63% | 27 |
| April 2026 | 57% | 28 |
- Departures on time
- 61%
- Diverted
- 0%
- Flights flown
- 105
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 112 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.