Historical on-time performance
Washington to Savannah
515 miData through Dec 2025Source: US DOT · BTS
Flights on IAD–SAV arrive on time 67% of the time over the last 12 months.
On-time rate67%arrived within 15 min
p90 delay215 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 30 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time67%Medianon timep90215 minCancel0.0%Flights30
Why flights run late
Delay causes
- Airline22%
- Weather67%
- Air traffic (NAS)5%
- Late aircraft6%
- Security0%
Most delay minutes here are attributed to Weather.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IAD → SAV
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 67% to 86% on time.
- Mornings86% on time · p90 20 min · 167 flights · limited
- Evenings79% on time · p90 50 min · 96 flights · limited
- Afternoons67% on time · p90 215 min · 52 flights · limited
Best day of week
Sundays are the most reliable day to fly this route — 91% on time.
- Sundays91% on time · p90 10 min · 64 flights · limited
- Thursdays77% on time · p90 120 min · 71 flights · limited
Advertisement
Keep exploring