OnTimeStats

Historical on-time performance

Chicago to Charlotte

599 miData through May 2026Source: US DOT · BTS

Flights on ORD–CLT arrive on time 72% of the time over the last 12 months.

On-time rate72%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights

based on 3,870 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-time76%
    Medianon time
    p9045 min
    Cancel2.6%
    Flights304
  • American Airlines
    On-time72%
    Medianon time
    p9060 min
    Cancel2.4%
    Flights2,939
  • United Airlines
    On-time71%
    Medianon time
    p9055 min
    Cancel0.8%
    Flights592
  • SkyWest Airlines
    On-time57%
    Median5 min
    p9090 min
    Cancel5.7%
    Flights35

Why flights run late

Delay causes

  • Airline26%
  • Weather5%
  • Air traffic (NAS)14%
  • Late aircraft54%
  • Security0%

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Why flights were cancelled

  • Airline5%
  • Weather84%
  • Air traffic (NAS)12%
  • Security0%

Most cancellations here are attributed to Weather. Shares are among 86 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 ORD → CLT

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 · 5,032 flights
  • Middays76% on time · p90 50 min · 2,881 flights
  • Afternoons70% on time · p90 70 min · 2,235 flights
  • Evenings64% on time · p90 70 min · 2,545 flights
  • Overnights61% on time · p90 75 min · 590 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 71% to 78% on time.

  • Wednesdays78% on time · p90 45 min · 1,857 flights
  • Tuesdays78% on time · p90 50 min · 1,825 flights
  • Saturdays77% on time · p90 45 min · 1,806 flights
  • Mondays74% on time · p90 50 min · 1,947 flights
  • Sundays73% on time · p90 60 min · 1,962 flights
  • Thursdays73% on time · p90 50 min · 1,939 flights
  • Fridays71% on time · p90 55 min · 1,951 flights

Keep exploring

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.