Historical on-time performance
New York to Birmingham
866 miData through May 2026Source: US DOT · BTS
No flights recorded for last 12 months on this route.
By airline
How each carrier compares
No airline figures for this window yet.
Why flights run late
Delay causes
Delay-cause data appears once delayed flights are recorded for this window.
When flights don't go
Why flights were cancelled
- Airline19%
- Weather31%
- Air traffic (NAS)49%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 93 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 LGA → 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 — 91% on time.
- Mornings91% on time · p90 5 min · 465 flights
- Afternoons80% on time · p90 25 min · 307 flights
- Middays80% on time · p90 30 min · 249 flights
- Evenings73% on time · p90 45 min · 710 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 84% on time.
- Tuesdays84% on time · p90 20 min · 285 flights
- Thursdays82% on time · p90 30 min · 286 flights
- Mondays80% on time · p90 25 min · 286 flights
- Wednesdays79% on time · p90 35 min · 286 flights
- Fridays77% on time · p90 35 min · 279 flights
- Sundays74% on time · p90 35 min · 229 flights
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