Historical on-time performance
Las Vegas to Birmingham
1,618 miData through May 2026Source: US DOT · BTS
Flights on LAS–BHM arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 306 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time75%Medianon timep9030 minCancel0.3%Flights306
Why flights run late
Delay causes
- Airline50%
- Weather0%
- Air traffic (NAS)12%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather0%
- Air traffic (NAS)100%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 1 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 LAS → BHM
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 — 84% on time.
- Mornings84% on time · p90 25 min · 270 flights
- Middays70% on time · p90 35 min · 602 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 83% on time.
- Tuesdays83% on time · p90 25 min · 138 flights · limited
- Wednesdays79% on time · p90 35 min · 138 flights · limited
- Saturdays77% on time · p90 25 min · 148 flights · limited
- Sundays74% on time · p90 35 min · 154 flights · limited
- Mondays74% on time · p90 40 min · 138 flights · limited
- Fridays66% on time · p90 35 min · 139 flights · limited
- Thursdays65% on time · p90 45 min · 139 flights · limited
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