Historical on-time performance
Newark to Charleston
628 miData through Dec 2025Source: US DOT · BTS
Flights on EWR–CHS arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled3.6%of scheduled flights
based on 1,211 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Spirit AirlinesOn-time70%Medianon timep9090 minCancel5.2%Flights251
- United AirlinesOn-time77%Medianon timep9050 minCancel1.6%Flights751
- Republic AirwaysOn-time73%Medianon timep9040 minCancel8.6%Flights209
Why flights run late
Delay causes
- Airline26%
- Weather1%
- Air traffic (NAS)31%
- Late aircraft41%
- Security1%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly EWR → CHS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 1,757 flights
- Middays83% on time · p90 30 min · 921 flights
- Afternoons71% on time · p90 55 min · 608 flights
- Evenings66% on time · p90 90 min · 98 flights · limited
- Overnights61% on time · p90 85 min · 1,119 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 83% on time.
- Tuesdays83% on time · p90 25 min · 620 flights
- Wednesdays79% on time · p90 40 min · 622 flights
- Mondays79% on time · p90 35 min · 664 flights
- Saturdays77% on time · p90 45 min · 621 flights
- Thursdays75% on time · p90 50 min · 653 flights
- Sundays74% on time · p90 55 min · 665 flights
- Fridays73% on time · p90 50 min · 658 flights
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