Historical on-time performance
Norfolk to Baltimore
159 miData through May 2026Source: US DOT · BTS
Flights on ORF–BWI arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 1,530 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time81%Medianon timep9030 minCancel1.6%Flights1,530
Why flights run late
Delay causes
- Airline22%
- Weather3%
- Air traffic (NAS)27%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline16%
- Weather68%
- Air traffic (NAS)16%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 25 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORF → BWI
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 93% on time.
- Mornings93% on time · p90 5 min · 1,318 flights
- Middays88% on time · p90 15 min · 1,315 flights
- Afternoons75% on time · p90 40 min · 816 flights
- Evenings73% on time · p90 45 min · 920 flights
- Overnights56% on time · p90 65 min · 262 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 87% on time.
- Saturdays87% on time · p90 20 min · 595 flights
- Wednesdays86% on time · p90 20 min · 651 flights
- Tuesdays84% on time · p90 25 min · 650 flights
- Fridays82% on time · p90 30 min · 693 flights
- Thursdays81% on time · p90 25 min · 692 flights
- Mondays81% on time · p90 30 min · 690 flights
- Sundays79% on time · p90 35 min · 660 flights
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