NK304 MIA → EWR

Spirit Airlines · Miami, FL to Newark, NJ · 81 flights observed, 2025-08-13 to 2025-11-01 · 1,085 mi

This flight runs much more reliably at some times of day than others — 97% on-time departing 9am–12pm vs. 62% departing 3–6pm.

NK304 covers more than one route in the data window — the stats below are for MIA → EWR, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
89%
Median delay
-23 min
90th percentile
+29 min
Cancellation rate
0%

How often is NK304 on time?

Across 81 flights on MIA → EWR from 2025-08-13 to 2025-11-01, NK304 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -23 min, and the worst 10% of flights arrived +29 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time7289%
16-30 min11%
31-60 min34%
61-120 min34%
2+ hrs22%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081995%-7 min
2025-093080%-4 min
2025-103194%-17 min
2025-111100%-12 min

Performance by day of week

DayFlightsOn-time
Mon1191%
Tue1191%
Wed1275%
Thu12100%
Fri12100%
Sat1275%
Sun1191%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…