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Flight records through . Security counts through .

Which IAH to LGA flight is punctual? United 1143, 8:05 am.

90% on time across 21 flights in the last 3 months, never cancelled.

Find your flightIAH security
DepartsFlightOn time
8:05 amUA 114390%
10:55 amDL 173990%
7:00 amUA 169789%
7:00 amDL 141787%
8:05 amUA 213377%
2:43 pmUA 286376%
9:47 amUA 67875%
10:53 amDL 214075%
8 of 19 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? Delta, ahead of United.

Delta landed on time 73% of the time, United 70%.

Flight records,

  • Delta

    73%

    on time

    4.8% cancelled

  • United

    70%

    on time

    2.4% cancelled

When do the flights leave? 19 regular flights, 7 am to 6:35 pm.

DL 2088 was cancelled most often, 8% of the time.

Flight records,

  1. DL 1417 7:00 am, 2% cancelled 87%
  2. DL 2140 10:53 am, 6% cancelled 75%
  3. DL 1739 10:55 am, 3% cancelled 90%
  4. DL 2088 2:10 pm, 8% cancelled 61%
  5. DL 2943 6:35 pm, 1% cancelled 62%
  1. UA 1697 7:00 am, 1% cancelled 89%
  2. UA 1143 8:05 am, 0% cancelled 90%
  3. UA 2133 8:05 am, 2% cancelled 77%
  4. UA 678 9:47 am, 0% cancelled 75%
  5. UA 2181 12:00 pm, 1% cancelled 59%
  6. UA 2249 2:20 pm, 0% cancelled 62%
  7. UA 2275 2:27 pm, 0% cancelled 54%
  8. UA 2863 2:43 pm, 0% cancelled 76%
  9. UA 334 4:15 pm, 1% cancelled 46%
  10. UA 2857 5:15 pm, 6% cancelled 57%
  11. UA 462 5:15 pm, 0% cancelled 70%
  12. UA 2783 6:31 pm, 2% cancelled 42%
  13. UA 2750 6:32 pm, 0% cancelled 38%
  14. UA 1503 6:35 pm, 0% cancelled 67%

What time should I fly? The 8 am departures.

87% landed on time; at 7 pm, 51%. Wednesday was the best day, Sunday the worst.

Flight records,

DepartsLanded on time
6 am76%
7 am84%
8 am87%
9 am79%
10 am77%
11 am78%
12 pm65%
2 pm64%
3 pm60%
4 pm60%
5 pm63%
6 pm63%
7 pm51%

When is IAH security busiest? 6 am, then 8 am.

Calmest around 9 am. Houston IAH security, hour by hour.

Security counts,

4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
MonTueWedThuFriSatSun
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Friday, 6 am

4,540

people screened, all terminals.