Historical on-time performance
Washington to Norfolk
157 miData through Dec 2025Source: US DOT · BTS
Flights on IAD–ORF arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.9%of scheduled flights
based on 363 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.
- Republic AirwaysOn-time77%Medianon timep9040 minCancel2.4%Flights254
- United AirlinesOn-time80%Medianon timep9035 minCancel0.9%Flights109
Why flights run late
Delay causes
- Airline32%
- Weather10%
- Air traffic (NAS)10%
- Late aircraft47%
- Security0%
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 IAD → ORF
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 75% to 91% on time.
- Middays91% on time · p90 10 min · 333 flights
- Mornings90% on time · p90 10 min · 256 flights
- Evenings78% on time · p90 35 min · 527 flights
- Overnights75% on time · p90 35 min · 763 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 87% on time.
- Wednesdays87% on time · p90 15 min · 298 flights
- Tuesdays84% on time · p90 15 min · 295 flights
- Mondays83% on time · p90 25 min · 298 flights
- Fridays80% on time · p90 30 min · 270 flights
- Thursdays78% on time · p90 30 min · 299 flights
- Sundays77% on time · p90 35 min · 262 flights
- Saturdays76% on time · p90 35 min · 186 flights · limited
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