Historical on-time performance
Washington to Fort Myers
891 miData through May 2026Source: US DOT · BTS
Flights on IAD–RSW arrive on time 88% of the time over the last 12 months.
On-time rate88%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 468 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time88%Medianon timep9020 minCancel0.6%Flights468
Why flights run late
Delay causes
- Airline25%
- Weather2%
- Air traffic (NAS)31%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline33%
- Weather33%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 3 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 IAD → RSW
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 — 87% on time.
- Mornings87% on time · p90 20 min · 961 flights
- Middays82% on time · p90 45 min · 269 flights
- Evenings79% on time · p90 50 min · 251 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 90% on time.
- Tuesdays90% on time · p90 10 min · 200 flights
- Thursdays87% on time · p90 20 min · 214 flights
- Fridays87% on time · p90 20 min · 215 flights
- Wednesdays86% on time · p90 30 min · 211 flights
- Saturdays83% on time · p90 25 min · 215 flights
- Mondays81% on time · p90 40 min · 211 flights
- Sundays80% on time · p90 50 min · 215 flights
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