OnTimeStats

Historical on-time performance

Chicago to Albany

723 miData through Dec 2025Source: US DOT · BTS

Flights on ORD–ALB arrive on time 76% of the time over the last 12 months.

On-time rate76%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights

based on 1,540 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Too close to call — no single carrier is clearly more on-time here.

  • Republic Airways
    On-time78%
    Medianon time
    p9055 min
    Cancel3.3%
    Flights392
  • SkyWest Airlines
    On-time79%
    Medianon time
    p9035 min
    Cancel1.5%
    Flights68
  • United Airlines
    On-time73%
    Medianon time
    p9055 min
    Cancel0.7%
    Flights599
  • Envoy Air
    On-time77%
    Medianon time
    p9035 min
    Cancel1.2%
    Flights481

Why flights run late

Delay causes

  • Airline28%
  • Weather6%
  • Air traffic (NAS)18%
  • Late aircraft49%
  • Security0%

Most delay minutes here are attributed to Late aircraft.

Over time

On-time trend

By season

On-time rate by month

When to fly

Best time to fly ORD → ALB

All airlines · rolling 36 months (2023-01 .. 2025-12).

Best time of day

Mornings are the most reliable time of day to fly this route — 85% on time.

  • Mornings85% on time · p90 25 min · 1,068 flights
  • Middays78% on time · p90 50 min · 1,257 flights
  • Afternoons75% on time · p90 35 min · 464 flights
  • Overnights68% on time · p90 65 min · 134 flights · limited
  • Evenings68% on time · p90 60 min · 1,196 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 74% to 79% on time.

  • Thursdays79% on time · p90 35 min · 609 flights
  • Mondays77% on time · p90 40 min · 632 flights
  • Tuesdays77% on time · p90 45 min · 562 flights
  • Saturdays76% on time · p90 45 min · 504 flights
  • Fridays75% on time · p90 45 min · 613 flights
  • Sundays75% on time · p90 55 min · 612 flights
  • Wednesdays74% on time · p90 45 min · 588 flights
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Related pages

Methodology

A flight is on time when it arrives within 15 minutes of schedule — the US DOT / BTS standard. Median and p90(the “1-in-10 bad day”) are read from the full arrival-delay distribution, never averaged across periods.

Figures cover a carrier’s own BTS-coded flights. Cells below ~200 flights are flagged as limited data. All numbers are pre-computed from public BTS On-Time Performance data.