Best Time to Fly
Find the best day and hour to minimize delays
Pro Tip
Flying on Tuesday or Wednesday mornings typically sees the fewest delays
By Day of Week
MondayHigh delay risk — start of business travel week72
TuesdayBest day to fly — lowest delays nationwide92
WednesdayExcellent — minimal congestion90
ThursdayGood — slight increase toward weekend78
FridayWorst day — heavy leisure + business travel61
SaturdayModerate — lighter business travel80
SundayFair — return travel surge in evenings75
Score: 100 = no delays, 0 = severe delays
By Month
JanWinter weather delays75
FebPeak winter weather risk72
MarImproving, spring break spike79
AprExcellent — mild weather85
MayBest month — low delays87
JunSummer travel surge begins74
JulPeak summer — thunderstorms71
AugHigh volume, improving late month76
SepSecond best — post-summer calm88
OctExcellent — fall travel87
NovThanksgiving spike78
DecWorst month — holidays + winter weather69
By Hour of Day
National average delay heatmap (all major US airports)
6am
7am
9am
12pm
3pm
6pm
8pm
10pm
Sun
17m
17m
20m
25m
30m
36m
37m
38m
Mon
13m
12m
15m
19m
23m
26m
27m
28m
Tue
12m
12m
14m
18m
22m
25m
26m
27m
Wed
15m
15m
17m
22m
26m
31m
32m
33m
Thu
15m
15m
17m
22m
26m
31m
32m
33m
Fri
19m
18m
22m
27m
33m
39m
40m
41m
Sat
15m
15m
17m
22m
26m
31m
32m
33m
Legend: ≤10 min 18-25 min 35+ min
Best Time
6–9 AM
Tuesday or Wednesday
Early morning flights use fresh aircraft, have lowest ATC congestion
Avoid
5–8 PM
Friday evenings
Delays cascade throughout the day and peak in evening
Best Months
May & Sep
Off-peak seasons
Mild weather, lower travel demand, best on-time rates