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 delay06:00–07:000.7min · 358 recorded · 354 measured
Gap to highest-delay hour22.3min06:00 ↔ 19:00
Recorded flights2,677ELP–ORD
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
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Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
23.011.50.0
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
4482240
00:0003:0006:0009:0012:0015:0018:0021:00
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View the figures
Departure hour
On-time departures
Average departure delay
With departure time
Recorded flights
00:00
No observations
—
—
—
01:00
No observations
—
—
—
02:00
No observations
—
—
—
03:00
No observations
—
—
—
04:00
No observations
—
—
—
05:00
Fewer than 200 measured departures
—
62
65
06:00
93.8%
0.7 min
354
358
07:00
Fewer than 200 measured departures
—
2
2
08:00
90.7%
5.6 min
439
448
09:00
86.1%
5.0 min
280
282
10:00
Fewer than 200 measured departures
—
152
153
11:00
Fewer than 200 measured departures
—
32
32
12:00
88.3%
8.9 min
290
292
13:00
Fewer than 200 measured departures
—
165
166
14:00
Fewer than 200 measured departures
—
32
32
15:00
Fewer than 200 measured departures
—
47
47
16:00
Fewer than 200 measured departures
—
4
4
17:00
Fewer than 200 measured departures
—
2
2
18:00
Fewer than 200 measured departures
—
4
4
19:00
71.7%
23.0 min
311
321
20:00
65.9%
21.2 min
287
294
21:00
Fewer than 200 measured departures
—
172
175
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
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Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
15.57.80.0
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
3871940
MonTueWedThuFriSatSun
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View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
81.5%
13.4 min
378
386
Tuesday
87.2%
8.2 min
383
387
Wednesday
81.4%
12.3 min
382
385
Thursday
80.0%
10.6 min
375
381
Friday
83.0%
7.0 min
376
380
Saturday
84.9%
5.5 min
370
377
Sunday
78.4%
15.5 min
371
381
Month of year
Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
JanFebMarAprMayJunJulAugSepOctNovDec
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
14.47.20.0
JanFebMarAprMayJunJulAugSepOctNovDec
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
3031520
JanFebMarAprMayJunJulAugSepOctNovDec
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View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
83.0%
7.2 min
247
247
Feb
90.2%
1.3 min
224
224
Mar
83.0%
9.7 min
247
249
Apr
77.2%
14.1 min
232
240
May
80.5%
9.0 min
303
303
Jun
74.8%
13.8 min
246
248
Jul
79.3%
14.0 min
237
246
Aug
Fewer than 200 measured departures
—
116
124
Sep
Fewer than 200 measured departures
—
120
120
Oct
89.1%
7.3 min
202
202
Nov
82.3%
14.4 min
231
238
Dec
83.0%
12.1 min
230
236
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 time81.1%2,170
Delayed >15 min17.4%465
Cancelled1.6%42
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.