Historical on-time performance
Atlanta to Allentown
692 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
- Airline41%
- Weather33%
- Air traffic (NAS)26%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 27 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 ATL → ABE
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 83% to 93% on time.
- Middays93% on time · p90 5 min · 130 flights · limited
- Mornings88% on time · p90 15 min · 452 flights
- Afternoons85% on time · p90 25 min · 433 flights
- Overnights83% on time · p90 30 min · 538 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 89% on time.
- Tuesdays89% on time · p90 15 min · 231 flights
- Thursdays88% on time · p90 15 min · 236 flights
- Saturdays86% on time · p90 25 min · 181 flights · limited
- Mondays86% on time · p90 20 min · 240 flights
- Wednesdays86% on time · p90 20 min · 232 flights
- Sundays85% on time · p90 30 min · 235 flights
- Fridays83% on time · p90 20 min · 237 flights
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