Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.
Flight timing & delays
Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.
Times are local to the departure airport of each flight; both directions are combined.
US domestic sectors recorded by BTS
Source: the US BTS · Oct 12, 2024 → Jul 31, 2026
Lowest average delay12:00–13:0016.3min · 205 recorded · 205 measured
Gap to highest-delay hour0.4min12:00 ↔ 08:00
Recorded flights1,177PHX–PVU
Departure hour
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
00:0003:0006:0009:0012:0015:0018:0021:00
Hover, tap or focus a point to see its value, sample and source.
Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
16.78.40.0
00:0003:0006:0009:0012:0015:0018:0021:00
Hover, tap or focus a point to see its value, sample and source.
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
4252130
00:0003:0006:0009:0012:0015:0018:0021:00
Hover, tap or focus a point to see its value, sample and source.
View the figures
Departure hour
On-time departures
Average departure delay
With departure time
Recorded flights
00:00
Fewer than 200 measured departures
—
1
1
01:00
No observations
—
—
—
02:00
No observations
—
—
—
03:00
No observations
—
—
—
04:00
No observations
—
—
—
05:00
No observations
—
—
—
06:00
Fewer than 200 measured departures
—
1
1
07:00
Fewer than 200 measured departures
—
2
2
08:00
81.8%
16.7 min
424
425
09:00
Fewer than 200 measured departures
—
124
124
10:00
Fewer than 200 measured departures
—
3
3
11:00
No observations
—
—
—
12:00
80.0%
16.3 min
205
205
13:00
Fewer than 200 measured departures
—
97
97
14:00
Fewer than 200 measured departures
—
148
148
15:00
Fewer than 200 measured departures
—
94
94
16:00
Fewer than 200 measured departures
—
68
68
17:00
Fewer than 200 measured departures
—
3
3
18:00
Fewer than 200 measured departures
—
4
4
19:00
Fewer than 200 measured departures
—
1
1
20:00
No observations
—
—
—
21:00
Fewer than 200 measured departures
—
1
1
22:00
No observations
—
—
—
23:00
No observations
—
—
—
Day of week
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
MonTueWedThuFriSatSun
Hover, tap or focus a point to see its value, sample and source.
Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
10.45.20.0
MonTueWedThuFriSatSun
Hover, tap or focus a point to see its value, sample and source.
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
2011010
MonTueWedThuFriSatSun
Hover, tap or focus a point to see its value, sample and source.
View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
Fewer than 200 measured departures
—
192
192
Tuesday
Fewer than 200 measured departures
—
146
146
Wednesday
Fewer than 200 measured departures
—
132
132
Thursday
Fewer than 200 measured departures
—
196
196
Friday
Fewer than 200 measured departures
—
186
186
Saturday
Fewer than 200 measured departures
—
124
124
Sunday
82.5%
10.4 min
200
201
Month of year
Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
122610
JanFebMarAprMayJunJulAugSepOctNovDec
Hover, tap or focus a point to see its value, sample and source.
No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.
View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
Fewer than 200 measured departures
—
114
114
Feb
Fewer than 200 measured departures
—
100
100
Mar
Fewer than 200 measured departures
—
108
108
Apr
Fewer than 200 measured departures
—
116
116
May
Fewer than 200 measured departures
—
122
122
Jun
Fewer than 200 measured departures
—
120
120
Jul
Fewer than 200 measured departures
—
113
114
Aug
Fewer than 200 measured departures
—
40
40
Sep
Fewer than 200 measured departures
—
34
34
Oct
Fewer than 200 measured departures
—
86
86
Nov
Fewer than 200 measured departures
—
113
113
Dec
Fewer than 200 measured departures
—
110
110
Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.
Recorded outcomes
On time81.0%953
Delayed >15 min18.9%223
Cancelled0.1%1
Missing departure time0.0%0
All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.
On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.
Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.