Flight Reliability
NK 1317 · Spirit Airlines
Houston → Baltimore (IAH–BWI)
96
Nerd Approved
WanderNerd Reliability Score
- 88%
- Arrive within 15 minutes
- 4 min early
- Average arrival delay
- 0%
- Cancelled
- 14 min early
- Median arrival delay
Based on 49 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
NK 1317 departing between 3–6 PM arrived on time 100% of the time, versus 81% between 6–9 AM.
Better than the IAH–BWI route average.
NK 1317 arrived on time 88% of the time, versus 77% across the IAH–BWI route.
Better than the Spirit Airlines network average.
NK 1317 arrived on time 88% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(8 flights)
- Tue—(8 flights)
- Wed—(8 flights)
- Thu—(8 flights)
- Fri—(9 flights)
- Sat—(0 flights)
- Sun—(8 flights)
- 3–6 AM82%(17 flights)
- 6–9 AM81%(16 flights)
- 3–6 PM100%(16 flights)
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 49
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 49 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.