What is the best time of day to fly?

Early morning flights (6-8 AM) have the highest on-time rates. Delays accumulate throughout the day as aircraft run late on earlier legs, making evening flights (after 6 PM) the most delay-prone.

What is the best day of the week to fly?

Tuesday and Wednesday are historically the best days to fly with fewer delays. Airports are less congested mid-week, and airlines have more flexibility to recover from disruptions. Friday evenings and Sunday afternoons tend to be the worst.

What is the best month to fly to avoid delays?

September is the most reliable month for flying with an average on-time rate of 86%. July is the worst month at 78% on-time.

How can I avoid flight delays?

Book early morning flights, fly mid-week (Tuesday-Wednesday), choose months with fewer weather disruptions, pick airports with high on-time rates, and allow extra time for connections at busy hubs.

When Is the Best Time to Fly to Avoid Delays?

Data-backed guide to picking the right departure time, day, and month.

Based on Bureau of Transportation Statistics data, flights departing in the early morning (6-8 AM) are 10-15% more likely to be on time than evening flights. September is historically the most reliable month for air travel at 86% on-time, while July sees the most delays at 78% on-time.

Source: Bureau of Transportation Statistics, data through 2026-02. Updated March 2026.

Best Time of Day

Early morning flights departing between 6:00 AM and 8:00 AM consistently have the best on-time performance. The reason is simple: aircraft start the day on schedule. As delays cascade through subsequent legs, afternoon and evening flights suffer the most.

Morning

6-8 AM

Best on-time rates

Midday

11-2 PM

Moderate delays

Evening

6-9 PM

Most delays

Best Day of the Week

Tuesday and Wednesday are the best days to fly. Airport congestion is lower mid-week, giving airlines more room to absorb and recover from disruptions. Friday evenings and Sunday afternoons are the worst due to weekend travel surges.

Mon

Good

Tue

Best

Wed

Best

Thu

Good

Fri

Avoid PM

Sat

Good

Sun

Avoid PM

Best Month to Fly

September leads with 86% of flights on time. July is the toughest month, with only 78% on time — often due to summer thunderstorms or winter weather.

1September

86%on time

2November

86%on time

3October

86%on time

4April

83%on time

5March

83%on time

6May

82%on time

7February

82%on time

8January

81%on time

9August

80%on time

10December

80%on time

11June

78%on time

12July

78%on time

Tips for Avoiding Delays

1.Book the first flight out. If your plane is already at the gate overnight, there's less that can go wrong.
2.Fly Tuesday or Wednesday. Fewer passengers means fewer cascading delays.
3.Avoid connecting through the worst hubs. Check our airport delay rankings before booking.
4.Build in buffer time. Allow at least 90 minutes for domestic connections at busy airports, 2+ hours for international.
5.Check conditions before you leave. Use our live delay tracker to see real-time airport status.

Worst Airports for Delays Delays Today TSA Wait Times Airline Rankings

When Is the Best Time to Fly to Avoid Delays?

Best Time of Day

Best Day of the Week

Best Month to Fly

Tips for Avoiding Delays

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