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693 km · Domestic

George Bush Intercontinental (IAH) – Tulsa (TUL)

In July 2026, 141 flights operated between George Bush Intercontinental and Tulsa (both directions), and 81.6% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January3126▲ 4,100.0%
February116140▲ 20.7%
March135131▼ 3.0%
April108124▲ 14.8%
May176166▼ 5.7%
June209142▼ 32.1%
July210141▼ 32.9%
August227––
September238––
October261–in progress
November286––
December183––
Year to date (Jan–Jul)957970▲ 1.4%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January100.0%88.1%▼ 11.9%
February78.4%90.0%▲ 14.8%
March77.8%85.5%▲ 9.9%
April77.8%83.9%▲ 7.8%
May78.4%83.1%▲ 6.0%
June76.1%81.0%▲ 6.4%
July78.1%81.6%▲ 4.5%
August84.6%––
September89.9%––
October88.5%–in progress
November83.9%––
December81.4%––
Year-to-date average (Jan–Jul)80.9%84.7%▲ 4.7%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January04–
February20▼ 100.0%
March10▼ 100.0%
April20▼ 100.0%
May50▼ 100.0%
June80▼ 100.0%
July20▼ 100.0%
August2––
September2––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)204▼ 80.0%

Airlines on this route

  1. SkyWest Airlines 69.7%
  2. United Airlines 30.3%

Oct 1, 2024 – Jul 31, 2026

By direction

IAH → TUL

Scheduled flights
1,655
Flights operated
1,643
Cancelled
12 · 0.7%
On-time departures
80.5%

TUL → IAH

Scheduled flights
1,656
Flights operated
1,639
Cancelled
17 · 1.0%
On-time departures
85.6%

IAH → TUL and TUL → IAH counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
SkyWest Airlines OO 2,309 69.7% 83.0% 13
United Airlines UA 1,002 30.3% 83.2% 16

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 delay13:00–14:002.4min · 407 recorded · 404 measured
Gap to highest-delay hour15.6min13:00 ↔ 15:00
Recorded flights3,311IAH–TUL

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 65 recorded · 64 measured · Source: the US BTS 07:00 · 90.5% · 689 recorded · 681 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 53 recorded · 53 measured · Source: the US BTS 09:00 · 85.3% · 220 recorded · 218 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 150 recorded · 149 measured · Source: the US BTS 12:00 · 80.9% · 376 recorded · 376 measured · Source: the US BTS 13:00 · 89.4% · 407 recorded · 404 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 128 recorded · 128 measured · Source: the US BTS 15:00 · 78.7% · 505 recorded · 503 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 24 recorded · 23 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 123 recorded · 122 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 88 recorded · 87 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 121 recorded · 118 measured · Source: the US BTS 20:00 · 75.2% · 247 recorded · 242 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 46 recorded · 46 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 68 recorded · 67 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · Fewer than 200 measured departures · 1 recorded · 1 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 65 recorded · 64 measured · Source: the US BTS 07:00 · 3.9 min · 689 recorded · 681 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 53 recorded · 53 measured · Source: the US BTS 09:00 · 8.8 min · 220 recorded · 218 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 150 recorded · 149 measured · Source: the US BTS 12:00 · 13.6 min · 376 recorded · 376 measured · Source: the US BTS 13:00 · 2.4 min · 407 recorded · 404 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 128 recorded · 128 measured · Source: the US BTS 15:00 · 18.0 min · 505 recorded · 503 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 24 recorded · 23 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 123 recorded · 122 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 88 recorded · 87 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 121 recorded · 118 measured · Source: the US BTS 20:00 · 12.4 min · 247 recorded · 242 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 46 recorded · 46 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 68 recorded · 67 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · 1 · 1 recorded · 1 measured · Source: the US BTS 06:00 · 65 · 65 recorded · 64 measured · Source: the US BTS 07:00 · 689 · 689 recorded · 681 measured · Source: the US BTS 08:00 · 53 · 53 recorded · 53 measured · Source: the US BTS 09:00 · 220 · 220 recorded · 218 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · 150 · 150 recorded · 149 measured · Source: the US BTS 12:00 · 376 · 376 recorded · 376 measured · Source: the US BTS 13:00 · 407 · 407 recorded · 404 measured · Source: the US BTS 14:00 · 128 · 128 recorded · 128 measured · Source: the US BTS 15:00 · 505 · 505 recorded · 503 measured · Source: the US BTS 16:00 · 24 · 24 recorded · 23 measured · Source: the US BTS 17:00 · 123 · 123 recorded · 122 measured · Source: the US BTS 18:00 · 88 · 88 recorded · 87 measured · Source: the US BTS 19:00 · 121 · 121 recorded · 118 measured · Source: the US BTS 20:00 · 247 · 247 recorded · 242 measured · Source: the US BTS 21:00 · 46 · 46 recorded · 46 measured · Source: the US BTS 22:00 · 68 · 68 recorded · 67 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00Fewer than 200 measured departures—11
06:00Fewer than 200 measured departures—6465
07:0090.5%3.9 min681689
08:00Fewer than 200 measured departures—5353
09:0085.3%8.8 min218220
10:00No observations———
11:00Fewer than 200 measured departures—149150
12:0080.9%13.6 min376376
13:0089.4%2.4 min404407
14:00Fewer than 200 measured departures—128128
15:0078.7%18.0 min503505
16:00Fewer than 200 measured departures—2324
17:00Fewer than 200 measured departures—122123
18:00Fewer than 200 measured departures—8788
19:00Fewer than 200 measured departures—118121
20:0075.2%12.4 min242247
21:00Fewer than 200 measured departures—4646
22:00Fewer than 200 measured departures—6768
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 79.0% · 487 recorded · 486 measured · Source: the US BTS Tuesday · 84.0% · 458 recorded · 457 measured · Source: the US BTS Wednesday · 84.4% · 484 recorded · 481 measured · Source: the US BTS Thursday · 86.7% · 490 recorded · 488 measured · Source: the US BTS Friday · 81.4% · 503 recorded · 494 measured · Source: the US BTS Saturday · 81.5% · 418 recorded · 411 measured · Source: the US BTS Sunday · 84.3% · 471 recorded · 465 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Monday · 15.9 min · 487 recorded · 486 measured · Source: the US BTS Tuesday · 6.2 min · 458 recorded · 457 measured · Source: the US BTS Wednesday · 8.8 min · 484 recorded · 481 measured · Source: the US BTS Thursday · 5.9 min · 490 recorded · 488 measured · Source: the US BTS Friday · 10.7 min · 503 recorded · 494 measured · Source: the US BTS Saturday · 11.3 min · 418 recorded · 411 measured · Source: the US BTS Sunday · 13.2 min · 471 recorded · 465 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 487 · 487 recorded · 486 measured · Source: the US BTS Tuesday · 458 · 458 recorded · 457 measured · Source: the US BTS Wednesday · 484 · 484 recorded · 481 measured · Source: the US BTS Thursday · 490 · 490 recorded · 488 measured · Source: the US BTS Friday · 503 · 503 recorded · 494 measured · Source: the US BTS Saturday · 418 · 418 recorded · 411 measured · Source: the US BTS Sunday · 471 · 471 recorded · 465 measured · Source: the US BTS

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday79.0%15.9 min486487
Tuesday84.0%6.2 min457458
Wednesday84.4%8.8 min481484
Thursday86.7%5.9 min488490
Friday81.4%10.7 min494503
Saturday81.5%11.3 min411418
Sunday84.3%13.2 min465471

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 departures Partial coverage: only airlines that report on-time data to the US DOT
Jan · Fewer than 200 measured departures · 133 recorded · 129 measured · Source: the US BTS Feb · 84.8% · 258 recorded · 256 measured · Source: the US BTS Mar · 81.6% · 267 recorded · 266 measured · Source: the US BTS Apr · 81.0% · 234 recorded · 232 measured · Source: the US BTS May · 80.7% · 347 recorded · 342 measured · Source: the US BTS Jun · 78.1% · 359 recorded · 351 measured · Source: the US BTS Jul · 79.5% · 353 recorded · 351 measured · Source: the US BTS Aug · 84.6% · 229 recorded · 227 measured · Source: the US BTS Sep · 89.9% · 240 recorded · 238 measured · Source: the US BTS Oct · 87.5% · 328 recorded · 328 measured · Source: the US BTS Nov · 83.7% · 344 recorded · 344 measured · Source: the US BTS Dec · 82.6% · 219 recorded · 218 measured · Source: the US BTS

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Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Jan · Fewer than 200 measured departures · 133 recorded · 129 measured · Source: the US BTS Feb · 8.0 min · 258 recorded · 256 measured · Source: the US BTS Mar · 9.4 min · 267 recorded · 266 measured · Source: the US BTS Apr · 11.0 min · 234 recorded · 232 measured · Source: the US BTS May · 13.4 min · 347 recorded · 342 measured · Source: the US BTS Jun · 16.6 min · 359 recorded · 351 measured · Source: the US BTS Jul · 16.4 min · 353 recorded · 351 measured · Source: the US BTS Aug · 5.1 min · 229 recorded · 227 measured · Source: the US BTS Sep · 3.3 min · 240 recorded · 238 measured · Source: the US BTS Oct · 6.4 min · 328 recorded · 328 measured · Source: the US BTS Nov · 7.1 min · 344 recorded · 344 measured · Source: the US BTS Dec · 12.3 min · 219 recorded · 218 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 133 · 133 recorded · 129 measured · Source: the US BTS Feb · 258 · 258 recorded · 256 measured · Source: the US BTS Mar · 267 · 267 recorded · 266 measured · Source: the US BTS Apr · 234 · 234 recorded · 232 measured · Source: the US BTS May · 347 · 347 recorded · 342 measured · Source: the US BTS Jun · 359 · 359 recorded · 351 measured · Source: the US BTS Jul · 353 · 353 recorded · 351 measured · Source: the US BTS Aug · 229 · 229 recorded · 227 measured · Source: the US BTS Sep · 240 · 240 recorded · 238 measured · Source: the US BTS Oct · 328 · 328 recorded · 328 measured · Source: the US BTS Nov · 344 · 344 recorded · 344 measured · Source: the US BTS Dec · 219 · 219 recorded · 218 measured · Source: the US BTS

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—129133
Feb84.8%8.0 min256258
Mar81.6%9.4 min266267
Apr81.0%11.0 min232234
May80.7%13.4 min342347
Jun78.1%16.6 min351359
Jul79.5%16.4 min351353
Aug84.6%5.1 min227229
Sep89.9%3.3 min238240
Oct87.5%6.4 min328328
Nov83.7%7.1 min344344
Dec82.6%12.3 min218219

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 time 82.3% 2,726
  • Delayed >15 min 16.8% 556
  • Cancelled 0.9% 29
  • Missing departure time 0.0% 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 on this route

38
38 of 38
Flight numbersBy direction DeparturesOn time
OO5544 IAH → TUL 157 87.9%
OO6006 TUL → IAH 157 81.4%
OO5379 IAH → TUL 140 79.3%
OO5651 TUL → IAH 140 88.5%
OO5758 TUL → IAH 126 81.0%
OO5350 IAH → TUL 112 86.5%
OO5365 IAH → TUL 92 84.8%
UA2112 IAH → TUL 88 61.9%
OO5533 TUL → IAH 74 77.0%
OO5722 TUL → IAH 74 90.5%
OO5413 IAH → TUL 72 84.7%
OO5637 TUL → IAH 71 88.7%
UA1135 IAH → TUL 68 80.6%
UA1413 TUL → IAH 63 86.9%
UA1146 TUL → IAH 59 88.1%
UA773 IAH → TUL 59 91.5%
UA2134 TUL → IAH 56 96.4%
OO5919 TUL → IAH 54 90.6%
UA481 TUL → IAH 53 96.2%
UA2274 TUL → IAH 52 95.9%
OO5571 IAH → TUL 51 84.3%
UA2445 IAH → TUL 51 72.6%
OO5563 IAH → TUL 50 94.0%
OO5794 TUL → IAH 49 89.8%
OO5518 IAH → TUL 47 72.3%
OO5607 TUL → IAH 47 87.2%
UA2378 IAH → TUL 47 78.7%
UA1229 TUL → IAH 46 71.7%
OO4792 IAH → TUL 45 77.3%
OO5729 TUL → IAH 45 77.3%
OO5325 IAH → TUL 37 91.9%
OO5361 IAH → TUL 37 91.9%
OO4656 TUL → IAH 35 82.9%
OO4657 TUL → IAH 35 77.1%
OO5573 IAH → TUL 35 80.0%
OO5301 TUL → IAH 33 66.7%
OO5371 IAH → TUL 31 87.1%
UA1469 TUL → IAH 31 93.6%

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.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 141 −32.9% 0 81.6%
June 2026 142 −32.1% 0 81.0%
May 2026 166 −5.7% 0 83.1%
April 2026 124 +14.8% 0 83.9%
March 2026 131 −3.0% 0 85.5%
February 2026 140 +20.7% 0 90.0%
January 2026 126 +4,100.0% 4 88.1%
December 2025 183 +422.9% 1 81.4%
November 2025 286 +393.1% 0 83.9%
October 2025 261 +289.6% 0 88.5%
September 2025 238 2 89.9%
August 2025 227 2 84.6%
July 2025 210 2 78.1%
June 2025 209 8 76.1%
May 2025 176 5 78.4%
April 2025 108 2 77.8%
March 2025 135 1 77.8%
February 2025 116 2 78.4%
January 2025 3 0 100.0%
December 2024 35 0 88.6%
November 2024 58 0 82.8%
October 2024 67 0 83.6%

How to read this chart

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