Historical on-time performance
Chicago to New York
725 miData through May 2026Source: US DOT · BTS
Flights on MDW–LGA arrive on time 66% of the time over the last 12 months.
On-time rate66%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled3.9%of scheduled flights
based on 2,368 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time66%Medianon timep9060 minCancel3.9%Flights2,368
Why flights run late
Delay causes
- Airline24%
- Weather1%
- Air traffic (NAS)51%
- Late aircraft24%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline9%
- Weather57%
- Air traffic (NAS)34%
- Security0%
Most cancellations here are attributed to Weather. 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 MDW → LGA
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 — 87% on time.
- Mornings87% on time · p90 15 min · 2,175 flights
- Middays73% on time · p90 40 min · 2,079 flights
- Evenings61% on time · p90 70 min · 1,545 flights
- Afternoons59% on time · p90 80 min · 1,053 flights
- Overnights56% on time · p90 70 min · 446 flights
Best day of week
Saturdays are the most reliable day to fly this route — 81% on time.
- Saturdays81% on time · p90 25 min · 628 flights
- Tuesdays75% on time · p90 55 min · 1,148 flights
- Wednesdays74% on time · p90 45 min · 1,149 flights
- Mondays70% on time · p90 50 min · 1,130 flights
- Thursdays69% on time · p90 50 min · 1,132 flights
- Fridays68% on time · p90 50 min · 1,137 flights
- Sundays66% on time · p90 55 min · 974 flights
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