Historical on-time performance
South Bend to Washington
504 miData through Dec 2025Source: US DOT · BTS
Flights on SBN–IAD arrive on time 97% of the time over the last 12 months.
On-time rate97%arrived within 15 min
p90 delayon time1 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-time97%Medianon timep90on timeCancel0.0%Flights30
Why flights run late
Delay causes
- Airline100%
- Weather0%
- Air traffic (NAS)0%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
The monthly trend appears once more than one month of data is loaded. Currently showing a single month.
By season
On-time rate by month
The seasonal pattern appears once multiple months of the year are loaded.
When to fly
Best time to fly SBN → IAD
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 83% to 91% on time.
- Mornings91% on time · p90 5 min · 95 flights · limited
- Middays83% on time · p90 25 min · 145 flights · limited
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